When a Cold Won't Go Away. It might be an allergy.
What's Behind a Sore Throat? Sinus or throat infections are common causes.
Easing Baby's Nasal Congestion. Use a cool-mist humidifier.
What Causes a Cold Sore? Factors can include injury or stress.
What's Behind Your Sore Throat? Signs that it may be a virus.
Flu-Linked Brain Swelling Is Rare in Kids, But It Can Be Fatal
COVID Vaccines Saved More Than 2.5 Million Lives, Mostly Seniors
Vitamin D Might Offer Protection Against COVID-19
Few Babies Getting RSV Antibody Shot, Study Says
Arizona Resident Dies From Pneumonic Plague
CDC Says COVID-19 Cases Rise in 25 States