What is norovirus and how contagious is it?

Symptoms of the virus include diarrhea and vomiting and it infects about 684 million people globally every year Norovirus is the term for a family of about 50 strains of virus that all share one miserable endpoint: copious time in the bathroom. Every year, an estimated 684 million people globally come down with it. Norovirus is a kind of infectious gastroenteritis, “an inflammation of the bowel and the colon that can cause diarrhea” and vomiting, explains Dr Ambreen Allana, an infectious disease physician based in Texas. Continue reading...