Virologists describe Nimbus as a “slightly upgraded” version of its predecessor, with a nasty signature some are calling ...

COVID-19 cases are rising in more than half of states. Is the US in a summer wave? What to know about COVID trends and ...

Early US COVID-19 indicators continued an upward trend last week, though from very low levels, especially in many southeast, ...

Health Secretary Robert F. Kennedy Jr. is changing how federal agencies handle vaccine recommendations. Some parents are hurrying to get kids their shots, fearing future changes could limit access.

Health officials are concerned about West Nile virus. Mosquitoes in Joliet and Chicago tested positive. The Illinois ...