If these bacteria are out of balance, it can cause illness and disease. These are the diseases caused by a damaged gut ...

Cases of tularemia, also known as “rabbit fever," are on the rise in the U.S., according to a new report from the CDC. The report identifies symptoms and the groups most at risk.

They have the ability to cure some bacterial diseases that would have previously killed many people. Since their introduction, they have made a major contribution to the world's health.

In recent years, quantitative real-time PCR tests have been extensively developed in clinical microbiology laboratories for routine diagnosis of infectious diseases, particularly bacterial diseases.