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vírus visna-maedi
Subject h. vírus visna-maedi Subject h. Visna-maedi virus Entry terms vírus visna
vírus maedi
vírus maedi-visnaEnglish X references Maedi Virus
Maedi-Visna Virus
Visna VirusScope note in English A species of LENTIVIRUS, subgenus ovine-caprine lentiviruses (LENTIVIRUSES, OVINE-CAPRINE), that can cause chronic pneumonia (maedi), mastitis, arthritis, and encephalomyelitis (visna) in sheep. Maedi is a progressive pneumonia of sheep which is similar to but not the same as jaagsiekte (PULMONARY ADENOMATOSIS, OVINE). Visna is a demyelinating leukoencephalomyelitis of sheep which is similar to but not the same as SCRAPIE. 
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