ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Mumps virus. Coloured Transmission Electron Micro- graph (TEM) of a single mumps virus Rabula inflans in cross-section. The image has been computer digitized. The outer coat of the virus is seen; the pink core contains RNA genetic material. The mumps virus is a member of the paramyxoviridae virus family. It causes the acute viral illness of mumps, mainly in children. Symptoms include fever, headache and vomiting, preceding swelling of the parotid salivary glands in the neck (parotitis). A complication of mumps is meningitis. It adult males, mumps may cause swelling of the testes, but it seldom leads to infertility. There are mumps vaccines. Magnification: x100,000 at 6x4.5cm size.
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