File:Mumps virus.jpg

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Mumps virus

This transmission electron micrograph (TEM) revealed the presence of numerous paramyxovirus virions, which in this instance, were responsible for a case of the mumps. Paramyxoviruses are members of the family, Paramyxoviridae, and those that cause mumps in humans belong to the genus, Rubulavirus. The virus itself can present itself in a number of morphologic shapes, including spherical, and stand-like, or filamentous, ranging from 150nm to 200nm in diameter, and 1000nm to 10000nm in length. At its core lies a non-segmented, negative-sense RNA genome.

Mumps is a viral illness characterized by swelling of the salivary glands, known as “parotitis”. The incubation period from exposure to onset of symptoms is generally 16 - 18 days, but can range from 12 to 25 days. Transmission is by respiratory droplets, saliva or contact with contaminated fomites. Patients are usually contagious from 1 to 2 days, but occasionally as long as 7 days, before symptom onset, until 9 days after the onset of symptoms.

Content Providers(s): CDC/ Dr. Fred Murphy Creation Date: 1975

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current11:50, 7 November 2011Thumbnail for version as of 11:50, 7 November 2011700 × 938 (221 KB)S8600021 (talk | contribs)==Mumps virus== This transmission electron micrograph (TEM) revealed the presence of numerous paramyxovirus virions, which in this instance, were responsible for a case of the mumps. Paramyxoviruses are members of the family, Paramyxoviridae, and those t

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