Cold, Flu or Allergy? Continue.
Help Keep Germs at Bay. Cover your mouth when you cough or sneeze.
When Air Is Unhealthy. Stay indoors.
Causes of Hoarseness. Continue.
Help Prevent Respiratory Infections. Here's what you can do.
Global Measles Cases Surge as Vaccination Rates Fall, WHO Warns
New Trial Shows Pfizer’s mRNA Flu Shot Beats Traditional Flu Vaccine
New Flu Variant Could Bring Another Severe U.S. Season
Long COVID Can Take Eight Different Paths, Experts Say
New Measles Spread Across States Threatens U.S. Elimination Status
COVID Vaccination Safer For Kids' Heart Health Than Infection, Study Says