A new COVID variant that has been spreading across the United States has now been detected in Massachusetts, according to the ...

Waiting rooms are filling up across the United States as a fast-moving flu wave strains clinics and hospitals, driven largely by a drifted H3N2 variant that is spreading widely despite months of ...

At least 171 measles cases have been confirmed in the U.S. so far this year, according to newly updated data from the Centers for Disease Control and Prevention (CDC). Cases have been confirmed in ...