London records just 24 new covid-19 cases a day

London ‘virus-free in TWO WEEKS’: Just 24 new cases a day are recorded in the capital and it could be eradicated there by June raising hopes lockdown could be eased

  • Research from Cambridge University and PHE estimated R value across England 
  • London’s was just 0.4, with the number of new cases halving every 3.5 days
  • Capital’s recovery raises suggestions of a region-by-region reopening of UK 
  • Northern towns appear to be bearing brunt of crisis now, with R as high as 0.8
  • UK announced 428 more coronavirus deaths today taking total figure to 33,614 
  • Here’s how to help people impacted by Covid-19

London is recording fewer than 24 new Covid-19 cases a day and could see the virus eradicated within weeks, according to new data.

Analysis by Public Health England and Cambridge University calculated that the ‘R’ reproduction rate has fallen to 0.4 in the capital, with the number of new cases halving every 3.5 days.

The figure shows the capital, once the worst-affected region of the country, is now ahead of every other area in recovering and could see all new cases eliminated by June.

It is believed that London had been on downward trend in the rate of infections before of the rest of the country because of social distancing measures that were being encouraged on public transport before the lockdown began.

Meanwhile, the North East of England is recording 4,000 daily infections and has an R rate of 0.8, twice that of the capital after seeing a slower increase in cases at the start of the pandemic.

It is vital that this number – which is thought to have been between 3.5 and 4 at the start of the crisis – stays below 1, otherwise the outbreak will start to rapidly spiral again as people infect others around them at a faster rate.

The development has raised suggestions among MPs of a region-by-region easing of lockdown restrictions, as Boris Johnson desperately attempts to kick-start the economy by getting London back to work.

Tory MP Bim Afolami told the Telegraph: ‘If you look at other countries, they’ve often adopted regional approaches. If it makes sense from a health perspective, we need to consider it.’ 

Former Northern Ireland Secretary Theresa Villiers added: ‘These figures are good news. They show lockdown measures have been working and I think they make the case for further easing of the lockdown in London.

In other coronavirus news:

  • Public Health England has approved its first commercial antibody test, made by Swiss firm Roche, which tells people whether they have had the virus in the past. It claims to be more than 99 per cent accurate; 
  • A total of 33,614 people have now died with COVID-19 in the UK, out of a total of 233,151 positive cases. 428 more deaths and 3,446 positive tests were announced today;
  • All 100 children who have developed the inflammatory syndrome linked to COVID-19 had been healthy before catching the virus, doctors say;
  • April was the quietest ever month in A&E, with NHS hospitals recording fewer than one million visits for the first time ever. Doctors warned people avoiding emergency departments is a ‘ticking time bomb’;
  • Mayor of London Sadiq Khan has agreed to put the London Underground timetable back to 75 per cent of normal, but told Boris Johnson he wants £2billion in funding support for Transport for London. 

Analysis by Public Health England and Cambridge University calculated that the ‘R’ reproduction rate has fallen to 0.4 in the capital, with the number of new cases halving every 3.5 days 

The figure shows the capital, once the worst-affected region of the country, is now ahead of every other area in recovering and could see all new cases eliminated by June

It is believed that London had been on downward trend in the rate of infections before of the rest of the country because of social distancing measures that were being encouraged on public transport before the lockdown began.

The independent SAGE group of scientists say the PM’s aim of flattening infections and ensuring the NHS is not overwhelmed until a vaccine is ready is ‘foolish’

‘It’s vital that we do find ways to let the economy recover – and London is the powerhouse of the economy.’

In London, the rate of infections went from a peak of 213,000 people a day on March 23, to 10,000 cases by April 7, when the lockdown had been in place for two weeks. 

Experts now say around 15 per cent of residents in the capital have now had the disease already and have built up immunity, which makes it harder for the virus to spread and may explain its low R rate of 0.4.  

More white collar jobs in London meant more employees were able to work from home and isolate from others, which also stunts COVID-19’s ability to infect people, epidemiologists say. 

Public Health England’s analysis is now being given to local teams and council to help determine the spread of the virus and level of immunity in their region.

The Scientific Advisory Group for Emergencies (SAGE) is reportedly considering using regional lockdowns to isolate areas if the local ‘R’ rate rises above one.

The policy could prove useful in allowing Londoners to return to work as a first step to restarting the economy while other regions wait to lower their reproduction rates. 

But former health PPS Steve Brine said that restrictions should be lifted for all areas at the same time because ‘the country should move together.’ 

Several rural communities have expressed fury that city dwellers who visit beauty spots could spread the virus this weekend after social distancing rules were partially relaxed.

Rural police and crime commissioners fear locals will lash out at visitors as they try to protect their communities from the deadly bug.

Officers can no longer kick tourists out of hotspots after the PM eased restrictions on where people can travel in England from yesterday.

The National Police Chiefs Council was warned there will be a spike in vigilante attacks on houses, cars and people if officers are not out on the beat.

Second home owners in popular resorts such as Devon and Cornwall have already been targeted and in some areas pins and nails have been laid as traps for cyclists. 

However, the data suggests that the bigger threat may now be to Londoners who have not had the virus from those elsewhere in the country.

The current ‘R’ rate for the whole of England is now 0.75. The North East and Yorkshire have the highest infection rate, at 0.8.

Yesterday, it was revealed that eight out of 10 of areas with the highest infection rates in Britain are in northern parts of England.

The small industrial town of Barrow-in-Furness, Cumbria, has an infection rate of 882 cases per 100,000 – almost double that in Brent (419), the worst-hit part of London.

How the ‘R’ has fallen since lockdown: The reproduction number (shown on the vertical axis) was over 3.5 in the North East and Yorkshire, but has fallen to 0.8 now. In the North West, it was believed to be just below 3.5 at its peak but has now dropped to 0.73

If the R rate rises above one Britain’s outbreak will start to grow again after weeks of shrinking. A rate of 0.5, for example, would mean every 10 infected people pass it on to only five others, while a rate of 1.2 would see them give it to 12

Prime Minister Boris Johnson has insisted that keeping the R below 1 is the most important of five tests that must be passed before returning to normal life. 

The R is used to measure how fast the disease is spreading, and if it rises above 1, cases would start to grow rapidly and the virus could spiral out of control. 

The latest research suggests the R is below 1 in all corners of England, but there is variation between regions.

In the Midlands, the value is believed to be 0.68, but in the South West it is thought to be around 0.76.

The PHE and Cambridge researchers say the R is 0.71 in the East of England, 0.73 in the North West and 0.71 in the South East.

The scientists drew from data from death certificates, as well as NHS and PHE coronavirus test results to predict the reproduction number. 

But exactly how they came to their results is unclear, according to infectious disease expert Professor Paul Hunter, from the University of East Anglia.

He told MailOnline it was possible the researchers were ‘using a model previously designed for influenza’, which could make the results ‘uncertain’.

The PHE and Cambridge researchers estimate the R was just below 3 in London and the Midlands at its peak

In the South East and South West, the R was below 3 at the highest point – but it is now believed to be hovering at around 0.7

For the East of England, the reproduction value surpassed 3 at its peak but has dropped to 0.71, the researchers say. For the entire country, the R is believed to be 0.75, on average

The Government is doing its own monitoring of R values in the country to help it decide when to end lockdown.

But officials have been accused of not being transparent because they have yet to release regional breakdowns.

Mayors in the North West of England have written to Boris Johnson demanding he make them public.


Every infectious disease is given a reproduction number, which is known as R0 – pronounced ‘R nought’ – or simply R.

It is a value that represents how many people one sick person will, on average, infect if the virus is reproducing in its ideal conditions.

Most epidemiologists – scientists who track disease outbreaks – believe the SARS-CoV-2 virus, which causes COVID-19, has an R value of around 3.

But some experts analysing outbreaks across the world have estimated it could be closer to the 6.6 mark.

As an outbreak goes on, the R0 may be referred to more accurately as Re or just R, as other factors come into play to influence how well it is able to spread. 

Estimates of the COVID-19 R vary because the true size of the pandemic remains a mystery, and how fast the virus spreads depends on the environment. 

As an outbreak progress the R may simply be referred to as R, which means the effective rate of infection – the nought works on the premise that nobody in the population is protected, which becomes outdated as more people recover. 

Andy Burnham and Steve Rotheram said their regions had ‘the highest number of new cases last week’ and questioned if the easing of lockdown had come too soon for the Greater Manchester and Liverpool City.

Mr Burnham and Mr Rotheram wrote to the PM on Tuesday to say data on the R number needed to be published at a regional and sub-regional level on a daily basis ‘as a matter of urgency’, according to the BBC. 

‘We believe this is essential information which will help our residents make informed decisions about the risk and help decide whether they wish to take a more cautious approach to the relaxation of the lockdown rules, given the risk locally’, they wrote. 

Professor Ian Jones, a virologist at the University of Reading, told MailOnline it was still ‘too early’ to draw any conclusions from the Cambridge University findings. 

He said: ‘The level is below one as a result of the lockdown, put simply if you don’t bump into anyone, you cannot pass on the virus, even if you have it. 

‘Evidently adherence to social distancing is not the same everywhere, or at least did not get taken seriously everywhere at the same time, and you’ve also got to factor in the relative level of susceptible people.  

‘The key point limiting opening up is that the virus has not changed, it’s not weaker or less infectious so we are, in a way, back at a similar point to the beginning of the epidemic. 

‘What’s changed is that everyone is now aware of the situation and most people treat it seriously, so as long as that remains the case the numbers could now be kept under control. 

‘There may also be some additional side factors such as warmer weather, mask use etc which will all have a percentage effect. But exactly how the R number will develop as lockdown eases is unknown.’  

Some scientists and senior ministers have warned the Government against relying too heavily on the R value because it is being ‘skewed upwards’ by care homes.  

At least 552 people in Barrow-in-Furness (pictured), Cumbria, have been infected with the disease since the outbreak began in February

Greg Clark MP, the chairman of the science and technology select committee, said the R value was ‘irrelevant’.

He told The Telegraph: ‘There’s a concern that measures that could safely release people back into the community are not being taken because of an irrelevant ‘R’ number determined by cases in care homes and hospitals.

‘It’s not clear how the ‘R rate in care homes is relevant to the ‘R’ rates of people going about their daily business. If people are in a care home, by definition they are not going out into the community and infecting other people.

Johnson hands Khan £1.1bn to get TfL up and running again with ‘strings attached’ 

Ministers agreed to hand Sadiq Khan a £1.1billion bail-out package with ‘strings attached’ to get London’s transport system back up and running.

The sides have struck a deal after days of intense wrangling, with the Mayor threatening to cut services unless he was given £2bn to help run the underground and bus networks with social distancing measures.

Fears have been rising for workers packed on to Tube and buses that are running at a significantly reduced capacity as Boris Johnson encouraged people to go back to work. 

Mr Khan has pledged to get services back up to 70 per cent of pre-crisis levels by Monday, but then warned that it would not be possible without extra cash.

The sides have settled for a £1.1billion package plus £505m in loans which ‘will need to be paid back’.  

‘There are a lot of strings attached,’ the government source said. 

As part of the agreement, TfL will have to restore full services ‘as soon as possible’ although there is no fixed timetable, and the government will also approve advertising on TfL. ‘He will be taking “stay alert” not “stay at home”,’ the source said.

TfL will have to report on staff absences, which are currently said to be running at 20 per cent.

There will also be a central government review of TfL’s finances and fares will increase by RPI plus 1 per cent, breaking the Mayor’s previous pledge to a freeze on fare rises, according to the source.

‘But the single ‘R’ number given out by the Government has been skewed. It cannot reflect the reality outside, and we need to know whether crucial public policy decisions are being based on this number.’ 

Epidemiologist Mark Woolhouse, a professor at the University of Edinburgh and an adviser to Tony Blair’s Government during the foot and mouth outbreak in 2001, described the R as a ‘very, very crude number’ which was too general to use by itself to decide on policy.

He told the paper he was ‘very against’ using it as a policy objective in anyway and would be ‘unhappy’ if it was the deciding factor for lockdown. 

It comes after Government data revealed northern towns were now being hit hardest by the coronavirus.

At least 552 people in Barrow-in-Furness, Cumbria, have caught COVID-19 since the outbreak began in February, according to the latest Government data.

That gives the small industrial town of 67,000 people, tucked away on the Furness peninsula in the North West, a rate of 882 cases per 100,000 – or 0.88 per cent. 

To put this into perspective, Barrow’s infection rate is more than double that of Wales (365), triple England’s (244) and Scotland’s (251) and quadruple the rate recorded in Northern Ireland (220).   

Figures show that Cumbria is also home to the area with the third highest infection rate. South Lakeland – east of Barrow-in-Furness – has a rate of 488 cases per 100,000 people.

 And the town with the second-highest rate is Lancaster (753), which is located on the other side of Morecambe Bay in Lancashire.

Experts are puzzled as to why this part of the North West has turned into a hotspot for COVID-19 but local public health officials say it may be skewed by higher testing figures.

The University Hospitals of Morecambe Bay Foundation Trust (UHMBT) covers three hospitals treating coronavirus patients – the Furness general in Barrow, the Royal Lancaster Infirmary and the Westmorland general in Kendal in South Lakeland. The trust has recorded 156 deaths, according to NHS England statistics.

Colin Cox, the director of public health for Cumbria, claims the NHS trust began mass-testing its employees and patients at the end of February and has conducted ‘three times’ more swabs on average, which ‘may explain a fair chunk of it’.

That gives the small industrial town of 67,000 people, tucked away on the on the Furness peninsula in the North West, a rate of 882 cases per 100,000



A total 61 people in Barrow have fallen victim to coronavirus, giving it a death rate of 91 for every 100,000 – one of the worst outside of London.

Officials are stumped as to why the town has been plagued with so many cases, despite welcoming just a fraction of the tourists compared to the nearby Lake District.

Lee Roberts, deputy leader of Barrow borough council, said the figures were a ‘big worry’ given that lockdown measures are being relaxed today.

Some of the cases can be traced back to a ‘super-spreader’ house party before lockdown in March, where at least six people had the virus.

The first person to die from the illness in the town had been at the party, according to The Guardian. But how the disease managed to race around the town and infect hundreds more remains a mystery.

Mr Roberts believes high levels of deprivation are partly to blame for the high infection rate.

An Office for National Statistics (ONS) report this month revealed that people living in the poorest parts of the country are dying at twice the rate of those in the wealthiest regions.

Experts say this is because they are exposed to the virus more because they are more likely to work in jobs that cannot be done from home, live in overcrowded homes and use public transport more.

The poorest in society are also more likely to suffer from underlying health conditions and have compromised immune systems – putting them at an increased risk of falling badly unwell with coronavirus.

COVID-19 testing has been largely reserved only for those who fall seriously ill, with those who have minor symptoms being instead told to isolate at home and wait to get better.

Mr Roberts said: ‘Most of Barrow is very compact: 40 to 50 per cent of Barrow is terraced housing and we’ve got a lot of flats, we’ve got a lot of deprivation, a lot of health inequalities.’ 

Figures show that Barrow has high levels of asthma and chronic obstructive pulmonary disease (COPD) compared with the national average – both of which make COVID-19 symptoms worse.

‘We have quite a lot of historic respiratory problems from people who worked in old industry, in the ship yards,’ Mr Roberts added.

And the constituency has higher than average numbers of patients with diabetes, high blood pressure and obesity, which are all risk factors for the disease.

Barrow’s population is also older than average, with 22.7 per cent of residents aged 65 to 90, compared with the England average of 18.3 per cent.

Coronavirus preys on the elderly, with over-80s 12 times more likely to fall critically ill after catching it, according to some estimates.

But Colin Cox, the director of public health for Cumbria, said the high infection rate may also be skewed by the fact Barrow is testing more people for the virus than other towns.

He told The Guardian: ‘The rate of testing in Barrow has been two to three times higher than in many other parts of the north-west, so that will explain a fair chunk of it, but I don’t think it will explain all of it.’ 

Up to 220,000 people in England may have the coronavirus right now, government figures show as a study claims 19 MILLION Brits could have already had the virus without a diagnosis 

Up to 222,000 people in England may be infected with the coronavirus right now, according to a government testing survey, while scientists estimate that a third of the population have already had it and recovered.

The first round of random public testing has identified only 33 positive cases of COVID-19 out of a sample of 10,705 people and estimated a national infection level of 0.27 per cent – one in every 370 people.

Professor Jonathan Van-Tam, deputy chief medical officer for England, said at today’s Downing Street briefing that the data represented ‘really quite a low level of infection’ in the community.

This suggests that 148,000 people had the virus at any given time between April 27 and May 10, that figure being the middle estimate between a low of 94,000 and high of 222,000. During that time 66,343 people were officially diagnosed.

And the rate of infection is six times higher in healthcare workers and carers than it is in the general population, the survey found. While 1.33 per cent of people who worked in patient-facing roles in hospitals or homes tested positive for the virus, only 0.22 per cent of those with other jobs did so.

Numbers announced today did not include anyone who was tested in a care home or a hospital, where the statisticians said ‘rates of COVID-19 infection are likely to be higher’.

Most official testing, which has picked up a total of 233,151 positive cases over the entire outbreak is being done in hospitals and care homes. But researchers at the University of Manchester have said this is likely huge under-estimate of the number of people who have had the illness already.

Those scientists, who studied the rate of infection in local areas, predicted that 29 per cent of everyone in Britain, more than 19million people, had already caught the infection by April 19, when 73,000 people had been diagnosed.

However, doubts were cast over the accuracy of this by a top scientist because data from other countries shows much lower levels of infection – for example, a study in Spain found evidence of just five per cent of people being infected and even in New York, which was hit worse than the UK, there is no proof that more than a quarter caught the illness. 

Britain’s own chief scientific adviser, Sir Patrick Vallance, said last week that he thought around four per cent of people in the UK had been exposed so far, rising to 10 per cent exposure in London.

ONS data is soon expected to publish antibody data showing how many people have had the infection already but does not currently have enough data for a reliable estimate.

The current survey, of which this is the first set of data, will be ongoing as part of the government’s ‘test, track and trace’ plan for getting out of lockdown and will be expanded to regular testing in more than 10,000 households. 

Its early findings come as the Department of Health today announced 428 more deaths from the coronavirus across the UK, taking the total number of fatalities to 33,614. The real figure is believed to be over 50,000.  

The Office for National Statistics estimates that somewhere between 94,000 and 222,000 people in England currently have the coronavirus, putting their average estimate at 148,000. This represents 0.27 per cent of the population, and means approximately one in every 370 people is carrying the virus

Commuters have this week returned to work after Prime Minister Boris Johnson announced plans on Sunday to start loosening lockdown restrictions (Pictured: People walking through a train station in London decorated in tribute to the NHS)

England’s top statisticians estimate that 0.27 per cent of the population has been infected with COVID-19 on any given day over the past fortnight – equal to around 148,000 people and certainly between 94,000 and 222,000

The data from the ONS showed that people’s age did not appear to have any bearing on how likely they were to be diagnosed with the virus. 

It found that approximately 0.32 per cent of people aged two to 19, or 50-69 were infected with the virus, along with 0.26 per cent of 20 to 49-year-olds and 0.23 per cent of over-70s.  

Government officials say each person who is infected will pass on the virus to between 0.5 and 0.9 other people, showing that its reproduction rate – the R – is below one, so the outbreak is shrinking.

Research by the University of Cambridge and Public Health England suggests the rates of spread vary across the country, slowing to 0.4 in London and speeding up to around 0.8 in the North East. As long as it can be kept below one and the number of cases is low it should be safe to begin to ease lockdown.

The 33 people who tested positive in the ONS survey came from 30 different households, suggesting they either lived alone or most had managed not to infect the people they lived with. It is not known whether they realised they were ill before they got tested. 

The same 5,276 households will be tested regularly to watch how the numbers change, and the scheme will be expanded to 10,000 homes in which everyone over the age of two will be asked to take part in swab testing. 

If everyone in the country was able to be tested it could be expected that between one in every 250 and one in every 588 people would test positive. It is impossible to be certain because the sample size is small.

‘Our latest estimates indicate,’ the ONS report said, ‘that at any given time during the two weeks from 27 April to 10 May 2020, an average of 148,000 people in England had the coronavirus (COVID-19).’ 

Office for National Statistics data suggests there is no significant difference between infection rates across age groups. It is impossible to draw definitive conclusions, however, because only 33 people tested positive across all ages combined

It added: ‘All estimates are subject to uncertainty, given that a sample is only a subset representation of the wider population. However, confidence intervals provide us with a range of values that we believe contain the unknown true number of cases testing positive for COVID-19 infection.

‘While we estimate that 148,000 people in England would test positive, if we repeated this study many times, 95 per cent of the time the true number of positives would lie between 94,000 and 222,000. This equates to between 0.17 per cent and 0.41 per cent of the target population.’ 

The figures come as a study from the University of Manchester today claimed nearly one in three Britons has already been infected with the coronavirus.

The first scientific study to analyse case rates at local levels estimated 29 per cent of the UK population had already had the illness by April 19, just 10 days after the peak of fatalities in NHS hospitals.

The academics who led the research said the finding confirms that the majority of sufferers have mild or no symptoms, and are unaware they have been infected.

They calculated rates of infection across the country by using local data and comparing the number of officially diagnosed cases over rolling 10-day periods.


Almost half of Britons now believe it will take at least six months for normal life to resume, data shows.

The Office for National Statistics (ONS) quizzed more than 1,300 people about the impact of coronavirus on British society.

Results revealed 46 per cent of Britons fear it will take half-a-year before life returns to what it was before the pandemic struck.

In contrast, the rate was just 33 per cent among a sample of Brits asked the same question in the week after lockdown was announced on March 23.

The data, published today, also revealed three quarters of Britons are worried about the impact COVID-19 was having on their life.

And it found eight in ten Brits abided by the government’s rules to only leave their home for one form of exercise, medical reasons, shopping, or to work (if they were a key worker).

Comparing five days’ worth of cases before a date and then the five days after that date gave the scientists an idea of how widely the virus was spreading, they said, and they compared this to the changeable reproduction rate.

They came up with an estimate that there were 237 unrecorded COVID-19 cases for every one that was diagnosed, and then applied this to the 73,000 official cases by April 19, suggesting more than 17million people were infected.

The analysis suggested unreported community infection was more than 200 times higher than official Government figures. This will have reduced since then because the outbreak is now much slower.

But the scientists say the fact a quarter of Britons may already be immune to the illness provides ‘light at the end of the tunnel’ for coming out of lockdown. 

Experts believe that at least half the population – potentially around 60 per cent – will need to have recovered from the virus for herd immunity to start to take effect, in which people would be protected by the fact that the virus cannot spread through people who have had it already.

Lead researcher Dr Adrian Heald, of The University of Manchester, said: ‘COVID-19 is a highly infectious condition. It is very dangerous for a small group of people.

‘However a much larger group seem to have low or no symptoms and have been unreported. This study tries to provide an estimate of the number of historic infections and gives us all a glimmer of hope that there may be light at the end of the tunnel.

‘We show how effective social distancing and lockdown has been. Though this is a tragedy, it could have been far worse.’

The researchers made their estimate after analysing published local authority data in 144 regions in the UK.

This enabled them to calculate the R-value – the average number of people each COVID-19 patient infects – within each local authority area.

They believe each COVID-19 patient infected 2.8 others before the country went into lockdown on March 23. 

But they say the reproduction number is now 0.9 or below in every corner of the country thanks to social distancing and the natural consequences of cumulative community infection.  

It is vital that this number stays below 1, otherwise the outbreak will start to rapidly spiral again as people infect others around them at a faster rate. 

The study, published in the International Journal of Clinical Practice, was carried out by a team from the University of Manchester, Salford Royal Hospital and analytics company Res Consortium. 

Dr Heald, who is also a consultant at Salford Royal NHS Foundation Trust, added: ‘We also demonstrate that like any virus, COVID-19 has taken its natural course and infected a significant percentage of the UK population.

‘The more people that are exposed to this – or any – virus, the less easy it is for further transmission to occur.

‘Government policy can only moderate the impact using measures like widespread testing, social distancing and personal protective equipment.

‘The social and economic impacts of Lockdown have been very difficult. But we believe this analysis may aid policy makers in a smoother transition to reducing social containment and sustainably managing the COVID-19 disease.’


A mere 4.4 per cent of the French population – or 2.8 million people – have been infected by coronavirus, a study led by the Pasteur Institute says. 

Published on Wednesday in the journal Science, researchers say the infection rate in the worst-hit parts of France – the eastern part of the country and the Paris region – is between 9 and 10 per cent on average.

‘Around 65 per cent of the population should be immune if we want to control the pandemic by the sole means of immunity’, the study says. 

The rate of infection was measured by the Pasteur Institute as of May 11, the day when France started to unwind its almost two-month-long national lockdown.

‘As of a consequence, our results show that, without a vaccine, the herd immunity alone will not be enough to avoid a second wave at the end of the lockdown. Efficient control measures must thus be upheld after May 11’, researchers say.

Herd immunity refers to a situation where enough people in a population have immunity to an infection to be able to effectively stop that disease from spreading. 

France’s overall death toll from the virus rose to 27,074 on Wednesday, the fifth-highest in the world, and total number of cases officially stood at 177,700, the seventh-highest total.

The Pasteur Institute also said the lockdown put in place on March 17 in France led to a drastic decline of the coronavirus’ reproduction rate, going from 2.9 to 0.67 over the 55-day virtual standstill of the country. 

A Spanish study also published on Wednesday showed similar results, saying about 5 per cent of the country’s population had contracted the disease and that there was no herd immunity in Spain, also emerging progressively for long lockdown.

Dr Heald added: ‘This will allow policy makers to avoid a ‘one size fits all’ approach to pandemic policy.

‘That does not consider the variation in both infection rates and impact across localities.’

Mike Stedman, from Res Consortium, said: ‘Using our experience working with the NHS on improving patient services, we conducted this work in our own time.

‘We felt we could make a valuable contribution to the public and policy makers by calculating the progression in the local and national daily infection rate.

‘The figures are not perfect, with the numbers of severely ill patients as a proportion of the total cases being used as a market for estimates of wider infection.

‘Only extensive antibody testing could give us a more accurate picture. But as that is only just becoming available, we believe this form of modelling is important in informing the best approach to unlocking the population.’ 

Dr Heald and Mike Stedman argue that incremental lifting of current social restrictions as soon as possible is vital to minimise further damage to the economy and the impact of prolonged social containment.

However, they add, this must be balanced against containing the current pandemic and minimising future waves of infection.   

Dr Adam Kucharski, a professor in infectious disease epidemiology at the London School of Hygiene & Tropical Medicine, said: ‘Given how difficult it is to estimate the extent of unreported cases in a population from reported cases alone, it is likely that there is huge uncertainty in the estimates produced by the model used in this paper, and unfortunately this uncertainty is not reflected in the single value quoted in the paper and the press release.

‘In addition, we now have direct measurements of infection from antibody testing in several countries, and the values found are generally much lower than the one suggested by this modelling analysis.

‘One recent study found 5 per cent had antibodies in Spain overall, another estimated 2 per cent in Luxembourg, another 10 per cent in Geneva. 

‘Even in areas that have been severely affected by COVID-19, the proportion of the population with evidence of past infection is so far relatively low: 10 per cent in Wuhan, 10 per cent in London, 11 per cent in Madrid, 14 per cent in Gangelt, Germany; 21 per cent in New York.

‘The only serological study the authors cite is a study from Santa Clara, California, which has received substantial criticism for likely overestimating the actual extent of infection in the population.

‘Given how much antibody data is now emerging, it is increasingly important to focus on measurements rather than just modelling estimates.’ 

Understanding the number of people who have had the virus in the past can tell scientists more about how deadly it truly is. 

Currently, the death rate is unknown because researchers can only compare the numbers of deaths with the number of hospital patients, which will show it to be unrealistically high.

A scientist has warned that around 560,000 people could die from coronavirus if half of Britain gets infected, a leading scientist has warned after results from the government antibody surveillance scheme suggested the virus kills 1.7 per cent of all cases.

Sir Patrick Vallance, Number 10’s chief scientific adviser, revealed recently that around four per cent of Britain and 10 per cent of London has developed antibodies against COVID-19.

The estimate – based on data from antibody testing across the home nations carried out a fortnight ago – means only around 2.64million Brits have had the infection. It also suggests the illness kills around 1.21 per cent of all cases, making it around 12 times deadlier than the flu.

However, the infection fatality rate could be even higher, when the thousands of the UK’s hidden COVID-19 deaths are included in the tally. Estimates on backdated data from the Office for National Statistics suggest at least 45,550 Britons have actually died – a death rate of around 1.73 per cent.

Infectious disease expert Professor Paul Hunter, from the University of East Anglia, told MailOnline that based on the predicted death rate of 1.7 per cent, the disease could cause up to 560,000 deaths in the UK, if half of the population was infected.

Other global antibody surveillance samples suggest the coronavirus death rate is much lower, between 0.3 and 0.75 per cent of cases. Those studies suggest between six and 12million people have caught the virus in the UK.

Professor Matt Keeling a populations and disease expert at the University of Warwick, said the British data would currently give a ‘gross over-estimate of the fatality rate’ because it was from so long ago – it was taken before mid-April and would likely only have diagnosed people who were ill weeks before that.

Ministers launched surveillance studies to track the rate of COVID-19 in Britain, with the true size of the outbreak remaining a mystery. Millions of cases have been missed because health chiefs controversially decided to abandon widespread testing early on in the outbreak.

Preliminary data from a separate government surveillance system released in Boris Johnson’s 50-page exit plan yesterday suggested that almost 140,000 people in England currently have the coronavirus.

It comes as other official data released by the Office for National Statistics today show almost 10,000 care home residents have now died of coronavirus in Britain, accounting for a quarter of all the country’s victims.

Death rate continues to drop: UK announces 428 more coronavirus deaths taking Britain’s total official figure to 33,614

Britain’s daily COVID-19 death toll dropped again today as the outbreak continues to slow, as officials announced 428 more victims – the lowest jump on a Thursday since the end of March.

Official figures released by the Department of Health show 33,614 coronavirus patients have now died across all settings in the UK, including hospitals and care homes, since the crisis began.

But the count is known to be inaccurate because it only takes into account lab-confirmed cases. Separate figures suggest Britain’s real death toll – already the highest in Europe – could be in the region of 50,000.

Health chiefs also revealed a further 3,446 Britons have tested positive for COVID-19, meaning the official number of cases recorded in the UK has topped 233,000 – but the real size is also a mystery.

Ministers have no idea about how many people have been struck down since the outbreak began because of the controversial decision to abandon mass-testing before it spiralled out of control.  

More than 2,000 people have now died in Scotland after testing positive for coronavirus, Nicola Sturgeon said at her daily briefing, with 34 more announced from the past 24 hours. 

Public Health Wales announced a further 10 deaths, totalling 1,164 in the country, and Northern Ireland a further five, equalling 454. 

The remaining 379 deaths occurred in England, which include all settings. NHS England announced 207 deaths from hospitals.

Patients were aged between 33 and 100 years old. Six patients, aged between 35 and 95 years old had no known underlying health condition, meaning they were considered healthy before the virus. 

Deaths have been very slowly falling over the past few weeks since the peak struck in mid-April, with fewer fatalities reported in hospitals and care homes every day. 

The Government death tally only counts people who have tested positive but has been rationing tests for months.

Data from the Office for National Statistics (ONS) includes everyone who has COVID-19 mentioned on their death certificate, regardless of whether they were tested for it. 

Figures suggests the true number of coronavirus victims in Britain is likely over 44,000 and almost 40 per cent higher than the Department of Health’s statistics show.  

At least 50,000 more people than usual have died in Britain since the coronavirus outbreak began, statistics show, known as ‘excess deaths’.  

They take into account not just people who have died of COVID-19 but also those who died without a doctor ever noticing they had the virus, people who died as a result of hospital disruptions, and those who died because of indirect effects of the outbreak.

Office for National Statistics data showed yesterday that 8,315 people have died in care homes in England and Wales with coronavirus listed on their death certificate. But researchers at the London School of Economics suggest this is only around 41 per cent of the total, which could be more like 22,000

ONS has recorded 45,777 more deaths than normal since the beginning of March in England and Wales. Adding data from Scotland and Northern Ireland pushes this total to 50,979, the Financial Times reported.   

The backdated ONS data shows almost 10,000 care home residents have died of coronavirus in Britain, accounting for a quarter of all the country’s victims. 

Researchers at the London School of Economics suggest care home deaths could be more in the region of 22,000.

The care home scandal continues to flare as politicians rally and question the Government’s response to the outbreak in the early days.  

Former health secretary Jeremy Hunt today condemned the failure to deploy coronavirus tests on patients discharged into care homes.

He insisted checks on patients sent back to care homes was an obvious ‘thing that needed to happen’.

The criticism came after an row between Labour’s Sir Keir Starmer and Boris Johnson which started at PMQs yesterday.

Sir Keir ambushed Mr Johnson by quoting official guidance that had been in place until March 12 – well after coronavirus had started being transmitted in the UK – that said it was ‘very unlikely’ care home residents would become infected with Covid-19.

Mr Johnson accused the opposition leader of ‘selectively and misleadingly’ citing the document after the bruising exchange. 

The document published at the end of February did state it was not likely there would be infections in care homes because, at that stage, there was no evidence of community transmission. 

The advice was withdrawn on March 13, by which time there had been 31 coronavirus-related deaths in England, including one in a care home, according to the ONS.

The issue continues to fall back to caps on testing. NHS chiefs have revealed that it was only on April 15 – after the UK outbreak peaked – that enough capacity was in place to test ‘systematically’ everyone discharged from hospital. 

Although they say only a ‘very small number’ of asymptomatic patients would have been sent to social care without being checked, the error has been likened to taking death straight into care homes where extremely vulnerable people live. 

A Cabinet minister acknowledged the coronavirus crisis in care homes was ‘absolutely terrible’.

Communities Secretary Robert Jenrick told BBC Radio 5 Live: ‘I don’t deny that what is happening in care homes is absolutely terrible. It’s a huge challenge. But we are trying to put as much support as we can around care homes.’

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