Some vaccine advisers under Robert F. Kennedy Jr sought to potentially stop recommending mRNA shots, but that plan is no longer moving forward.

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

The timing of symptom onset depends on lots of factors, including the amount of virus to which someone was exposed, Hotez says. Their level of pre-existing immunity may also affect the likelihood or ...

New FDA approval language for COVID-19 vaccines is sowing confusion about which conditions put people at greater risk for severe disease and who can avoid the inconvenience and cost of off-label ...

Looking for information about the FDA’s limited approval of 2025-26 COVID vaccines? Read what we know about who can get an updated COVID shot this year. Updated Aug. 27 If it feels like several people ...

Apple enhanced its Siri voice assistant Saturday with a step-by-step query instructing users on determining if they have been exposed to COVID-19, the worldwide coronavirus pandemic. The instructions ...