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maedi |
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maedi/visna virus, a lentivirus that is the causal agent of a type of pneumonia in sheep. maedi a chronic pneumonia of sheep caused by a lentivirus, which also causes visna when it invades the brain of sheep. In maedi the characteristic features are a prolonged incubation period of more than 2 years, a progressive pneumonia which lasts for about 6 months, and, at the inevitable death, an abnormally high density and heaviness of the lungs. Called also maedi-visna, Graff-Reinert disease, la bouhite, ovine progressive pneumonia and lymphoid interstitial pneumonia. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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