eMedTV Germs A-Z
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The hepatitis B virus is 100 times more contagious than HIV. This page on the eMedTV Web site provides additional information about the hepatitis B virus, including how it is spread and its possible symptoms and complications.
As this eMedTV resource explains, the hepatitis C virus (HCV) is a single-stranded RNA virus that travels through a person's blood. The HCV then enters liver cells and uses them to make more of the hepatitis C virus.
This page of the eMedTV website explains the organization of the HIV virus and which class of viruses it belongs to: retrovirus. Because the HIV virus is a retrovirus, it has to make a copy of its DNA inside a host cell in order to replicate.
The influenza virus is not only highly contagious -- it also is highly changeable. This page of the eMedTV website examines the influenza virus in detail, including subtypes, how it is transmitted, and what makes it so changeable.


