Pathology and Major Outbreaks of the Norovirus Essay example

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The Norovirus belongs to the family called Caliciviridae. The norovirus causes gastroenteritis which is a condition that causes irritation and inflammation of the stomach and intestines. The norovirus is actually the most common cause of acute gastroenteritis.1 The norovirus is small and round. It is only 27-35 nm in diameter. The virus contains a single- stranded RNA genome. Noroviruses are divided into five genogroups, G1- G5. Of these five genogroups, only G1, G2, and G4 are known to infect humans. G2 is the most common in adult cases of gastroenteritis. 1 “Noroviruses are not enveloped and contain an outer protein capsid encapsulating an RNA genome.”2 The norovirus usually does not cause severe symptoms. The gastroenteritis …show more content…
The Norovirus belongs to the family called Caliciviridae. The norovirus causes gastroenteritis which is a condition that causes irritation and inflammation of the stomach and intestines. The norovirus is actually the most common cause of acute gastroenteritis.1 The norovirus is small and round. It is only 27-35 nm in diameter. The virus contains a single- stranded RNA genome. Noroviruses are divided into five genogroups, G1- G5. Of these five genogroups, only G1, G2, and G4 are known to infect humans. G2 is the most common in adult cases of gastroenteritis. 1 “Noroviruses are not enveloped and contain an outer protein capsid encapsulating an RNA genome.”2 The norovirus usually does not cause severe symptoms. The gastroenteritis usually is gone in forty – eight hours. The symptoms of the virus are usually mild. A person affected by the virus generally can recover after having mild diarrhea. Those that have compromised immunities could be at risk for severe symptoms if they contract the virus. The virus does kill about 200,000 children under five in developing countries each year. There have been documented cases of waterborne and foodborne norovirus outbreaks. A person can become infected by contact with an infected person, contaminated food, contaminated water, environment, or aerosolized virus. 3 It is common for outbreaks of the nororvirus to occur in hospitals. The norovirus can occur at any time of the year. It is common for outbreaks to occur during winter months.

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