Answer:
Noroviruses
Explanation:
The term "gastroenteritis" refers to irritation and inflammation of the digestive tract, including the stomach and intestines. The most common causes are viral agents, bacteria, parasites and food poisoning, and the most common complaints are diarrhea, abdominal pain, cramps, nausea and vomiting. Noroviruses are the leading cause of adult gastroenteritis in North America and are responsible for projectile vomiting in infected individuals.
