spigelia anthelmia (unii: wyt05213ge) (spigelia anthelmia - unii:wyt05213ge) spigelia anthelmia: 2 [hp_x]
Not all people who are infected with a norovirus will develop symptoms. If symptoms of a norovirus infection do occur, the illness tends to begin suddenly. Common norovirus symptoms include: 1  Nausea. 2  Vomiting. 3  Watery diarrhea. 4  Some stomach cramping. 5  Dehydration.
Norovirus. Norovirus is the most common cause of stomach flu. Most people are contagious from the moment that they become ill. Much of the symptoms start appearing within a day or three days of getting exposed; some people are known to be contagious up about two weeks after recovering from the illness.