Shigella infection spreads easily and can cause bloody diarrhea. Learn the symptoms, how it spreads, how it's diagnosed, treatment, and ways to prevent it.

Can an STI cause diarrhea? Learn which sexually transmitted enteric infections cause it, the symptoms, how they're tested and treated, and how to prevent them.

New York is in a measles outbreak. Learn the symptoms, how long measles is contagious, who needs the MMR vaccine, and what to do after ...

Learn what pneumonic plague is, how it spreads, its symptoms, how antibiotics treat it and how outbreaks are controlled, based on WHO and ECDC guidance.

Learn the main types of eye drops, how to use them safely, common mistakes to avoid, and when eye symptoms need a doctor's attention.