Escherichia coli (E. coli) are mostly harmless bacteria that live in the intestines of animals and humans. They are the most ...

Antibiotic resistance is becoming an accelerating crisis because of the overuse and misuse of antibiotics over many years.

The H1N1 flu, or swine flu, continues to cause illness, hospitalizations and deaths worldwide. The virus was first detected in humans in the United States in April. Since then, the virus continues to ...

Seawater is full of bacteria, hundreds of thousands live in every liter. But the sheer number of bacteria living in the water does not necessarily mean a lot. More important is how active they are and ...