Norovirus causes inflammation of the gastrointestinal tract in humans.
Norovirus , sometimes referred to as the winter vomiting bug in the UK and Ireland , is the most common cause of viral gastroenteritis in humans .	gastroenteritis	gastroenteritis	vomiting	vomiting
Gastroenteritis , also known as infectious diarrhea , is inflammation of the gastrointestinal tract that involves the stomach and small intestine .	inflammation	inflammation	gastrointestinal tract	Human gastrointestinal tract	stomach	stomach	small intestine	small intestine	diarrhea	diarrhea
