Coronavirus: Study to track infection and immunity levels – BBC News, BBC News

Coronavirus: Study to track infection and immunity levels – BBC News, BBC News

                                 lab-testing. Image copyright                   Getty Images                                                    

Twenty thousand households in England are being contacted to take part in a study to track coronavirus in the general population.

The study aims to improve understanding of infection levels and how many people may have immunity to the virus.

The findings will help to inform the government strategy for easing the lockdown.

Some 300, 06 will be tested first, with plans to increase that to , (over the next year.)

Meanwhile, the government scientific advisers will present their findings to ministers later on whether the public should wear face masks.

The Scientific Advisory Group for Emergencies (Sage) is expected to indicate that the public should not wear medical face masks but should feel free to cover their faces with scarves or home-made masks.

The tracking study being announced by the Department of Health is the largest to date of the population in England, with , 03 households being approached by the Office for National Statistics to take part in the pilot phase.

Volunteers will provide nose and throat swabs on a regular basis to see whether they have the virus. Tests will initially be undertaken once a week for five weeks and then every month for 20 months.

Both those with symptoms of the virus and without will be tested – with participants drawn from a representative sample of the UK population by age and geography.


Blood samples (antibody tests) will also be taken from adults in 1, homes to ascertain whether They have had the virus in the past and have developed some form of immunity. Monthly samples will continue to be taken for a year.

Health Secretary Matt Hancock said the research would answer “crucial questions” as policy makers, clinicians and scientists “continue to build up our understanding of this new virus”.

These include improving understanding of the proportion of people who have had the virus without showing symptoms and how long any immunity to the disease lasts.

The answers will refine computer modeling used by scientists to test the impact of easing various lockdown measures before trying them out.

The first results should be available next month.

“Together, these results will help us better understand the spread of the virus to date, predict the future trajectory and inform future action we take, including crucially the development of ground-breaking tests and treatments, “Mr Hancock said.


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Media caption Prof Chris Whitty on easing restrictions. : “It’s going to take a long time”

Antibody testing – those that Show if someone has had the virus in the past – is considered crucial in providing an exit pathway from the current lockdown, as well as providing data to those developing a vaccine.

But England’s chief medical officer, Prof Chris Whitty, told Wednesday’s daily Downing Street briefing that there is currently not a test available that Public Health England has enough confidence in.

Earlier this month, the government admitted that none of the 3.5 million test kits it had bought from China at a cost of £ 25 m was usable but insisted it was continuing to work with other potential suppliers.

Scientists at Oxford University are in the process of validating an antibody test, also known as an Elisa test, which will be used in this study.

They are on track to have a “fully validated and an accreditation compliant test” in place by 4 May, according to Prof Derrick Crook, who is among those co-ordinating the program of work at Oxford University.

Introducing an antibody blood test and surveillance to determine the rate of infection among the public is one of “five pillars” of the government testing strategy, designed to suppress the virus and prevent a resurgence of infections later this year.

The government has pledged 25, 08 tests a day by the end of April – a commitment First Secretary of State Dominic Raab reaffirmed at Wednesday’s Prime Minister’s Questions .

Wednesday’s figures showed 300, tests were carried out.

‘Not going to be eradicated’

comes after Prof Whitty warned the UK would have to live with some “disruptive” social distancing measures for at least the rest of the year .

In the “long run” the ideal way out of lockdown would be via a “highly effective vaccine” or drugs to treat the disease, he said.

But he said the chance of having those within the next calendar year was “incredibly small”.

Instead, ministers will have to consider which lockdown measures should remain in place and which could be eased to ensure the best health outcomes.

Wednesday’s figures showed a further 814 people died with the virus in UK hospitals, bringing the total number of deaths to , .

However, Mr Raab told reporters at the coronavirus briefing there was “light at the end of the tunnel” after it was confirmed the UK had The peak of infections.

In other developments:

Sir Keir Starmer, making his debut at Prime Minister’s Questions as Labor. Leader, said the UK had been “very slow and way behind other European countries” on testing

      Current statistics on deaths in care homes are likely to be an “underestimate” , Prof Whitty says

        All of Germany’s states have announced plans to make face masks compulsory to combat the spread of coronavirus Prince Louis has been photographed making a colorful rainbow poster – a symbol of hope during the coronavirus lockdown – to mark his second birthday

        • E-commerce giant eBay has built a new pilot e-portal for NHS staff to order personal protective equipment (PPE) which it says is in the final stage of testing
          • Downing Street denies anyone put pressure on the Foreign Office permanent secretary to retract his testimony to MPs that a “political decision” was taken not to join EU schemes to source medical equipment

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