母牛口蹄疫引起的流涎和流涕
An experimentally inoculated cow on day 3 after infection shows profuse salivation and nasal discharge, acute clinical signs of the foot-and-mouth disease complex. At this stage, virus and viral RNA are readily detectable in an oral swab or saliva sample.
Courtesy of National Veterinary Institute, DTU Vet, Lindholm, Denmark.
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