Growing research suggests the bacteria left behind by the common childhood infection may trick the immune system into ...

Medically reviewed by Anju Goel, MD Key Takeaways Diarrhea is often contagious, especially when it's caused by viruses, bacteria, or parasites. Infectious diarrhea can spread by not washing hands ...

A Kent State student is receiving medical treatment for Neisseria meningitidis, a serious bacterial infection.

Sinus infections, also known as sinusitis, can leave us feeling miserable with symptoms like nasal congestion, facial pain and headaches. But beyond the discomfort, many people like you worry about ...

Libya has become the latest country to eliminate the world’s leading infectious cause of blindness.