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.
The symptoms and signs of norovirus infection usually occur within 12-48 hours of contact (incubation period) with the virus and often are first noticed within a cluster of people in a group (for example, military or school dorms, cruise ships, and nursing homes).he symptoms and signs of norovirus infection usually occur within 12-48 hours of contact (incubation period) with the virus and often are first noticed within a cluster of people in a group (for example, military or school dorms, cruise ships, and nursing homes).