Flesh-eating bacteria that nearly forced doctors to amputate the foot of a San Diego woman due to a recent infection looks like a particularly vicious attack from an external invader. But experts say ...

Add Yahoo as a preferred source to see more of our stories on Google. Toxic shock syndrome is triggered by an infection that causes serious illness. Learn about toxic shock symptoms and what to do if ...

Researchers have described how the protein that allows strep and staph bacteria to stick to human cells is prepared and packaged. The research could facilitate the development of new antibiotics.