Nickie
13-10-2020, 00:59
The report raises questions about how much immunity can be built up to the virus and how long it may last.
More... (https://www.bbc.co.uk/news/health-54512034)
More... (https://www.bbc.co.uk/news/health-54512034)
View Full Version : Covid reinfection: Man gets Covid twice and second hit 'more severe'