Medically reviewed by Michael Menna, DO Bug bites that become infected may develop symptoms like warmth, redness, swelling, ...

Washing your hands thoroughly and often—especially when you’ll be handling food or touching a wound or broken skin—is the ...

What causes a cold sore? A cold sore is “a reactivation of a latent herpes simplex virus infection,” says Adigun. People who get cold sores were once infected with the herpes simplex virus ...

Earlier this week, the Department of Health and Human Services (HHS) confirmed the first human case of a flesh-eating ...

What does strep throat look like? The first thing to understand is that strep throat isn't a virus the way many other seasonal ailments are but is instead a contagious bacterial infection. It ...