H1N1 virus cases surge in the national capital, with flu-like symptoms overwhelming hospitals. Know its symptoms, spread, and ...

Variations in temperature, precipitation, and humidity can influence the spread of infectious diseases, including by altering ...

For over a century, scientists have analyzed the vast microbial world within the human body. They’ve found bacteria, fungi, ...

A cat sits on a rodent bait station in Silver Spring in August 2019. (Bonnie Jo Mount/The Washington Post) You’re reading The ...

It’s not totally clear why flu is hitting so hard this year. One possibility is that it got off to a late start, so the ...

Bird flu is changing rapidly, increasing the chances of more humans getting sick. Arizona must do more now to contain the ...

The H5N1 bird flu strain has infected humans and other animals in every continent except Australia, and scientists say it ...

We live in an era when human activities are negatively modifying the world at alarming rates. We are experiencing a massive ...

These veterinarians, flu scientists, and biosecurity experts are watching with growing concern the rise in H5N1 avian ...