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

Health officials investigated a major cruise ship after nearly 80 people on board reported being ill with symptoms of ...

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, ...

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

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 ...