A virus is a small infectious agent that can replicate only inside the living cells of an organism. Virology is the study of viruses.

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Can antiviral antibodies help viral infections which has many serotypes?

For instance Dengue virus has four serotypes. Infection by a different serotype causes only a more serious infection. 2) Which are the most common virus infections that has many serotypes?
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Functional modules in viruses

I am interested in protein function within viruses, especially on how they work together. Is there any study about grouping proteins in viruses as functional modules?
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What is the role of antigens of HBV in development of disease?

What is the role of different forms (filamentous and spherical) of HBV? Both forms are made exclusively of HBsAg. The filamentous form contains just much more (200 nm length), while 20 nm length for ...
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Direct spread of Parvovirus B19 from blood to Brain stem and CSF

Parvovirus can spread in blood (viremia) to bone marrow. It is detected in some stages of infection in Cerebrospinal fluid (CSF). However, I am thinking if it can spread directly with facilitated ...
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Do bacteria have any mechanism to protect themselves from RNA bacteriophage?

Bacteria can cut up DNA of DNA bacteriophages by using restriction enzymes. Of what I know about restriction enzymes, I think they don't cut RNA. So, do bacteria have any mechanism through which they ...