Four people have died as a result of a Legionnaires' disease outbreak in Harlem that has sickened nearly 100 people, and officials revealed the cooling towers that tested positive for the bacteria ...

Scientists at Arizona State University have uncovered surprising new ways bacteria move, even without their usual whip-like propellers called flagella. In one study, E. coli and salmonella were found ...

(Sebastian Kaulitzki/Science Photo Library/Getty Images) Researchers have discovered that a particular protein in the gut is ...

Cases of flea-borne typhus are rising in Southern California.

Invasive meningococcal disease cases in Canada have significantly increased to their highest level in over a decade, raising ...

Health experts say they have identified some mutations to the strain of meningitis B bacteria that is responsible for the ...

Difficult-to-treat infections caused by dangerous, drug-resistant bacteria are on an alarming upward climb, the Centers for Disease Control and Prevention warned in a recent health alert. Known ...

Cholera-causing bacteria are locked in an evolutionary arms race with a viral nemesis, according to a new genomic study.

This week, Southern England was rocked by what health officials called an “explosive” wave of meningococcal meningitis infections that resulted in 11 “probable” and 20 confirmed cases, including two ...