The US Food and Drug Administration’s top vaccine official overrode agency experts in May to recommend against the broad use ...

A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...

NB.1.8.1 is one of the latest variants of COVID-19, a "slightly upgraded version" of the LP.8.1 variant that is prominent ...

Recent vaccination announcements have led to some confusion. Four physicians weigh in on who should get vaccinated and when ...

New WHO report suggests COVID-19 originated from animal-to-human transmission, though Director-General Tedros maintains all ...