"FMD is a virus that propagates incredibly quickly — when it discovers a new niche where there is no immunity among animals, it just RIPS through them," says FAO expert Keith Sumption.
“口蹄疫是一种繁殖极快的病毒—当它在动物中发现一个无免疫力的小生境，它便会直接入侵，”粮农组织专家KeithSumption说。
"FMD is a virus that propagates incredibly quickly — when it discovers a new niche where there is no immunity among animals, it just RIPS through them," says FAO expert Keith Sumption.
“口蹄疫是一种繁殖极快的病毒—当它在动物中发现一个无免疫力的小生境，它便会直接入侵，”粮农组织专家KeithSumption说。
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