A heavily mutated variant of the virus that causes Covid-19 appears to be affecting primarily children, scientists say, ...
The US Food and Drug Administration approved updated Covid-19 vaccines Wednesday, but for a limited group: adults 65 and older, and younger people who are at higher risk from Covid-19. “FDA has now ...
(CNN) — In response to a call from President Donald Trump to make the positive impact of Covid-19 vaccines public, drug giant Pfizer posted a collection of more than 200 news releases and statements ...