Wild birds have caught the canary poxvirus, and penguins have been stricken by avian malaria.
野生鸟类感染了金丝雀痘病毒，企鹅也感染了禽疟。
2
Free fatty acids present in milk can damage the membranes of enveloped viruses, such as the chicken poxvirus, which are packets of genetic material encased in protein shells.
母乳中的游离脂肪酸会摧毁包膜病毒的薄膜，如水痘病毒，被蛋白质外壳内的遗传物质所包围。
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The virus was first identified in the State Serum Institute in Copenhagen, Denmark, in 1958 during an investigation into a pox-like disease among monkeys.