Visna-maedi Virus

{
  "id": "MLC-T-ENV-029787",
  "term": "Visna-maedi Virus",
  "field": "Environment",
  "definition": "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.",
  "references": [
    "NLM Medical Subject Headings (MeSH)"
  ],
  "url": "https://mlchart.com/terminology/environment/visna-maedi-virus/"
}