What Causes a Cold Sore? Factors can include injury or stress.
What's Behind Your Sore Throat? Signs that it may be a virus.
Protecting Children from the Flu. Continue.
Help Prevent Respiratory Infections. Here's what you can do.
When Air Is Unhealthy. Stay indoors.
FDA Fully Approves Moderna’s COVID Vaccine for Some Young Kids
U.S. Measles Cases Hit Highest Level Since Disease Was Eliminated in 2000
CDC Now Recommends RSV Vaccine for Some Adults 50+
Moderna’s New Flu Shot Shows Strong Results in Older Adults
COVID Vaccine Labels To Warn of Rare Heart Risk
RFK Jr.-Appointed Vaccine Panel Removes Flu Shot Ingredient