Among her must-haves are combo she takes “when I’m down bad” and a “more potent nasal decongestant” than DayQuil.

It takes less than 100 norovirus particles to make someone sick, and infected people can shed billions of viral particles in ...

For example, irritable bowel syndrome (IBS) may involve prescription medications and specific diet recommendations, while a diarrhea-causing bacterial infection can be treated with antibiotics.

Outbreaks of norovirus, which causes acute gastroenteritis, leading people to get sick with nausea, vomiting or diarrhea, are ...