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4 Cards in this Set

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What is an acute infection? Describe it.

An acute viral infection is characterised by a rapid onset of disease, a brief period of symptoms and a quick resolution of the disease. The cells infected will eventually undergo cell death, which may be NECROSIS OR APOPTOSIS.

What is a persistent infection? Describe it.

Characterised by an infection in the cells infected by the virus survive, as opposed to undergoing apoptosis or necrosis. Whether or not an infection is persistent depends on THE TYPE OF CELL INFECTED.

What is an example of a persistent infection?

SV5 Virus in monkey kidney cells. It will produce a persistent infection in monkey kidney cells but will kill the cells of a hamster kidney.

What is a latent infection? Describe its characteristics.

There are two types of latent infection. Both types lead to production of viral genomes but only type 1 produces viral proteins, preventing the production of infective viral progeny using tight controls. All latent infection will start out as acute infections, but not all acute infections will progress to the latent stage.