Microbiologist holds a petri dish growing bacteria, Klebsiella pneumoniae, one species that can become resistant to last-resort antibiotics. The U.S. Centers for Disease Control and Prevention is ...

Mycobacterium tuberculosis, the pathogen responsible for tuberculosis, has evolved a remarkably layered set of molecular ...

New research examines the potential relationship between bacterial infection and heart attacks. Plaque from heart disease patients and autopsies of people who died form heart attacks were examined for ...

In a cave in Romania, scientists found a bacterial strain entombed in ice that is resistant to 10 modern antibiotics. But it may also help fight superbugs.

People living in areas with infected male mosquitoes saw their dengue risk drop 71% ...

In early January, the U.S. Department of Health and Human Services removed the recommendation for universal vaccination ...

The bacterium Chlamydia trachomatis is best known for infecting genitals, causing the sexually transmitted infection (STI) known as chlamydia. But a new study has found that these sneaky cells can ...

For years, conversations about vaginal health have been framed in simple, binary terms: there are “good” bacteria and there are “bad” bacteria. If the “good” bacteria dominate, you’re healthy. If they ...

Warmer days, contaminated water and unsafe food storage practices combine to drive a rise in stomach infections, say doctors ...