epidemics

UK limits AstraZeneca Covid-19 vaccine to people over 30 amid concerns about blood clots

Brazil discovers first case of South African variant, serious shortage looms as death toll rises

UK Covid variety is now the most common strain circulating in the US, CDC says

US begins investigation of allergic reactions to Pfizer and Moderna shots

Did you get your Covid-19 vaccine? Cancel your additional appointments now

Long-haul flights report symptoms diminish after being shot

Merkel supports stricter COVID lockdown in Germany

One-third of COVID survivors suffer from neurological or mental disorders: study

One-third of COVID survivors suffer from neurological or mental disorders: study

The CDC should have updated its surface cleaning guidelines much earlier, says Dr. Ashish Jha