The U.S. approved a new COVID-19 vaccine made by Moderna late Friday but with limits on who can use it — not a replacement for the company's existing shot, but a second option. The new vaccine, ...

The Food and Drug Administration is telling Pfizer and Moderna to expand the warning labels on their COVID-19 vaccines about the risk of a possible heart injury side effect linked to the mRNA shots, ...

Federal officials in the US say that Covid-19 vaccines remain available to everyone, despite new restrictions on the groups that they’re approved for. But experts suggest that claim is misleading, as ...

This is a major update to a story that was first published earlier in September. It reflects what readers need to know after an important vaccine advisory panel met on Thursday and Friday. Getting a ...

As the respiratory illness season begins, COVID cases have remained relatively under control in the United States into the beginning of fall. While the United States by and large is experiencing ...

Masks have been stored away. Social distancing is just a vague memory. Interest in vaccines is waning. COVID, for many, feels like an inevitable annoyance, like the flu. Then, each summer, we get a ...

COVID-19 is once again climbing to troubling levels in California — a worrying trend as health officials attempt to navigate a vaccine landscape thrown into uncertainty by delays and decisions from ...

COVID-19 viral activity was high in the United States during the first week of September, according to fresh data from the Centers for Disease Control and Prevention. Some regions of the United States ...