Pneumonia is a disease that burdens the health care system with more than 1.2 million emergency room visits each year and more than 41,000 adult deaths in the United States. Worldwide, more than one ...

Increased levels of Streptococcus anginosus, a common type of bacteria that usually lives in the mouth and gut, was found in the gut of recent stroke survivors in Japan. A common bacteria usually ...

Strep infections are most well known for causing strep throat, which can be treated with antibiotics. But this type of bacteria can also cause more serious illnesses—even flesh-eating infections.

A concerning increase in global rates of severe invasive infections becoming resistant to key antibiotics has a team of infectious disease researchers studying a recently emerged strain of bacteria ...

Strep throat is caused by Group A Streptococcus bacteria and is highly contagious. Symptoms include a severe sore throat, swollen tonsils, and fever, usually without a cough. Strep throat should be ...

Rheumatic fever (RF) and scarlet fever are both caused by group A Streptococcus bacteria, but they present with different symptoms and complications, some of them potentially serious. Scarlet fever is ...