No abstract available
Publication types
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Historical Article
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Animals
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Genome, Viral
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History, 19th Century
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History, 20th Century
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Horse Diseases / virology*
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Horses
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Humans
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Orthopoxvirus / genetics*
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Smallpox / history*
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Smallpox / prevention & control
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Smallpox / veterinary
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Smallpox / virology
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Smallpox Vaccine / history*
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Vaccinia virus / genetics*
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Vaccinia virus / immunology