lsu health science center at shreveport. how are you doing. good. how are you? arthel: i am but a lot of people aren t. that doesn t sound very good symptoms you get from the norovirus. how else can you tell us in terms of how this virus attacks the body. what is interesting, every couple a years a new strain comes about. this was coincidentally during the peak of influenza this spiked. early on when we were hering about people that had the flu but had nausea, vomiting and diarrhea, it was probably they were infected with the norovirus. and the norovirus is a gi virus. it has been around for a long time. it was first described as the norwalk virus. it has been in the news intermittently. you hear about cruise ships having outbreaks of it where people get sick. but the key is good hygiene, hand-washing, things like that, you can really protect yourself. arthel: if it is gi,