10,000 NHS workers sign up to take part in study into Covid reinfection

[السياسي]

Public Health England researchers will follow volunteers for at least a year, regularly swabbing them for the virus and taking blood samples to search for antibodies.

https://www.dailymail.co.uk/news/article-8643357/10-000-NHS-workers-sign-study-Covid-reinfection.html?ns_mchannel=rss&ito=1490&ns_campaign=1490 ]قرااء المزيد ..... [/url]