London, United Kingdom
Rift Valley Fever Virus, Tem
London School Of Hygiene & Tropical Medicine
Photograph - Photograph
Rift Valley fever virus. Coloured transmission electron micrograph (TEM) of Rift Valley fever virus particles (orange) in a mouse liver cell. These virions are sequestering themselves in vacuoles (spaces, white) in the cell, where they will replicate. Rift Valley fever occurs in Africa, infecting humans, cattle, sheep, rodents and other species. It is transmitted by insects, mainly mosquitoes. In humans its symptoms include chills, fever, a headache and joint and muscle pain. It is rarely fatal, but can cause retinal haemorrhages that may lead to visual impairment. Magnification x32,900 at 6x7cm size.
May 1st, 2013
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