August 15, 2022
Researchers, examining blood samples from 20,501 people in 100 cities, found that around 98.5 per cent of them had antibodies against the virus.
Researchers, examining blood samples from 20,501 people in 100 cities, found that around 98.5 per cent of them had antibodies against the virus.
August 15, 2022
Researchers, examining blood samples from 20,501 people in 100 cities, found that around 98.5 per cent of them had antibodies against the virus.