Vesicular Stomatitis Virus
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FIG. 1. Electron micrograph of vesicular stomatitis virus.
Vesicular stomatitis viruses (VSV) are in the family Rhabdoviridae and the genus Vesiculovirus and are enveloped viruses with a bullet-shaped capsid (Fig. 1). It is 70 nm in diameter and 180 nm in length containing a linear, negative-sense RNA nonsegmented genome of approximately 15 kilobases (1, 3). The disease has only been found in North and South America and affects horses, cattle, pigs, and goats, but can also be zoonotic and infect humans. The method of transmission is not fully understood, but direct contact with infected animals is known to play a role. Vectors such as the common house fly and biting flies, as well as other insects are thought to play a role in transmission as well (2). This image was taken from an insect isolate during an outbreak of VSV in Colorado in 1982 and shows an electron micrograph of VSV negatively stained with 2% phosphotungstate.
See also:
Vesicular Stomatitis Virus Disease
References.
1. de Mattos, C. A., C. C. de Mattos, and C. E. Rupprecht. 2001. Rhabdoviruses, p. 1245