Norovirus -- United States
Norovirus, which is sometimes called stomach flu or a stomach bug, is "a very contagious virus that causes vomiting and diarrhea," according to the US Centers for Disease Control and Prevention. It leads to 19 to 21 million cases of acute gastroenteritis in the United States every year.
The commonest symptoms are stomach pain, nausea, vomiting and diarrhea. Fever, headache and body aches can also be signs of norovirus.
CDC says that symptoms usually develop 12-48 hours after a person is
Read more about it at HealthMap Global Disease Alerts via http://healthmap.org/ln.php?6154575&promed&0
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