How long before someone with covid-19 isn’t contagious?
Experts say the window of highest infectivityTrusted Source seems to occur 2 days prior to symptom onset to 3 days ...
Home How long before someone with covid-19 isn’t contagious?
Experts say the window of highest infectivityTrusted Source seems to occur 2 days prior to symptom onset to 3 days ...
© 2023 All rights reserved | Pakistan Observer