Hong Kong's Centre for Health Protection boarded a Holland America Line cruise ship to investigate reports of illness.

While SARS-CoV-2 has dominated headlines for the past few years, other viruses have been simmering in the background. And with most of COVID-19’s infection control measures (like mask-wearing, ...

Norovirus and food poisoning can look similar. Here’s how to tell the difference, when to seek treatment, and which symptoms ...

Cases of norovirus are spreading across the United States and are higher than usual at this point in this season, according to data from the Centers for Disease Control and Prevention. As of Feb. 9, ...

A stool test is a diagnostic procedure that involves analyzing fecal matter, or poop, to check for signs of infection, inflammation, or disease. The specific analysis depends on a person’s symptoms ...