Why do people get fevers when we get sick? It's a common misconception that pathogens, such as SARS-CoV-2 or the flu, cause fevers. But it's not that simple, report Phil Starks and Harry Bernheim, ...

For centuries, the nature of a fever — and whether it's good or bad — has been hotly contested. In ancient Greece, the physician Hippocrates thought that fever had useful qualities, and could cook an ...

Sick animals often move to warmer places to raise their body temperature. GK Hart/Vikki Hart/Stone via Getty Images When your immune system detects harmful microbes, your body raises its internal ...

Bird flu viruses are a particular threat to humans because they can replicate at temperatures higher than a typical fever, one of the body’s ways of stopping viruses in their tracks, according to new ...