The report raises questions about how much immunity can be built up to the virus and how long it may last.
from Covid reinfection: Man gets Covid twice and second hit 'more severe' https://ift.tt/36WX94X
https://ift.tt/eA8V8J
from Covid reinfection: Man gets Covid twice and second hit 'more severe' https://ift.tt/36WX94X
https://ift.tt/eA8V8J
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