Infectious Diseases

Topics: Gastroenteritis, Infection, Bacteria Pages: 2 (742 words) Published: October 6, 2013
Week 7
Food borne illness: Norovirus
1.What is the infectious agent (pathogen) that causes this infectious disease? For example, the name of the bacteria, virus, or parasite. a.Norovirus, more commonly known as food poisoning or gastroenteritis, is caused by several distinct groups of viruses in the Caliciviridae family of viruses. The family name is derived from the Latin word chilice – callx- which means cup-like. These viruses are single-stranded small round structured viruses that are blue in color, also known as SRSV’s. These structures have proteins surrounding the virus’ material and the surface has indentations that look like little cups. There are 5 recognized groups of the Norovirus that affects humans.GI, GII, and GIV. Since 2002, they have seen variants of the GII strand and it had been the most common cause of Norovirus outbreaks. It is caused by fecal matter being ingested through the mouth of humans. This can happen in many ways. 2.How is this infectious agent transmitted through food or water? a.This infectious disease can be transmitted in multiple ways. If you come in contact with an infected persons vomit or feces. This family of viruses can also be transmitted in or on food and in water. The virus is expelled from the body by vomit and diarrhea and the infected person can also transmit the virus to any food or drink that they are preparing or serving. Norovirus is extremely contagious and the disease can spread rapidly in enclosed groups of people where many people are served from the same infected food or water or by the same infected person. Young children are often involved in these outbreaks because they are constantly putting objects and their hands in their mouths without washing or disinfecting. 3.What is an example of a real life outbreak of this food borne illness in the United States? a.A real life outbreak of Norovirus in Norwalk, Ohio in November 1968. A group of children from Bronson Elementary School all...
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