24 New Hepatitis E Virus Family
Hepatitis e virus family. The global burden of infections from the two major genotypes 1 and 2 is estimated at 20 million per year leading to 70000 deaths and 3000 stillbirths. Hev genotype 3 causes hepatitis e in developed countries whereas genotypes 1 2 4 and 7 are associated with illness in developing countries. The virus has at least 4 different types.
Genotypes 1 and 2 have been found only in humans. Genotype 1 in africa and asia genotype 2 in mexico and west africa genotype 3 as isolated cases in developed countries and genotype 4 in china and taiwan. Genotypes 1 2 3 and 4.
Hepatitis E Virus FamilyNew Hepatitis E Virus Family
The virus particle was first seen in 1983 but was only molecularly cloned in 1989. Hepatitis e virus hev of the family herpesviridae is a virus that infects nearly 20 million people per year throughout the world. The hepatitis e virus hev is the causative agent of hepatitis e.
Hev is most commonly transmitted via the fecaloral route and has long been described as a virus that afflicts only those in resourcepoor countries. Hepatitis e has mainly a fecal oral transmission route that is similar to hepatitis a but the viruses are unrelated. It is of the species orthohepevirus a.
Five hev genotypes are known to cause human disease. Genotypes 3 and 4 circulate in several animals including pigs wild boars and deer without causing any disease and occasionally infect humans. There are four hev genotypes.
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Hepatitis e virus family. Hepatitis e virus hev is a non enveloped positive sense single stranded rna virus in hepeviridae family genus hepevirus 2734 nm diameter. Hepatitis e is a liver disease caused by the hepatitis e virus hev. Infectious agent infection is caused by hepatitis e virus hev a single stranded single serotype rna virus belonging to the hepeviridae family..
Hepatitis e is inflammation of the liver caused by infection with the hepatitis e virus hev. It is a type of viral hepatitis. There are four hev genotypes. Hepatitis e virus family.
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