Need a Lung Function Test? Here's what it may reveal.
What's Behind Your Sore Throat? Signs that it may be a virus.
Protect Yourself From Flu. Get the annual vaccine.
What Causes a Cold Sore? Factors can include injury or stress.
Who Gets Pneumonia? Age and health affect your risk.
Flu, COVID Cases Climb as RSV Infections Start to Level Off
STD Specialists Warn of Shortage of Vital Syphilis Drug
Respiratory Illnesses in China Not Caused by New Virus, CDC Director Testifies
Day Cares Aren't COVID 'Super Spreaders,' Study Finds
New COVID Variant Takes Hold in the United States
Long COVID Now Common in U.S. Nursing Homes
