Did vaccinia virus come from a horse?
Taylor
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D000818:Animals; D002417:Cattle; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006734:Horse Diseases / Q000266:history* / Q000382:microbiology; D006736:Horses; D006801:Humans; D012900:Smallpox Vaccine / Q000266:history*; D014611:Vaccination / Q000266:history*; D014615:Vaccinia / Q000266:history* / Q000382:microbiology / Q000662:veterinary; D014616:Vaccinia virus / Q000276:immunology
D012900:Smallpox Vaccine