A Very Silent Spring
Unlike mad-cow disease, foot-and-mouth represents little danger to the public health, but it is a critical economic blow to European farming. It is not a prion disease. It is seldom fatal to animals and is rarely transmissible to humans. What it does, though, is cause blistering of the mouths and feet of animals with cloven hooves, as well as eventual lameness, loss of appetite and wasting. And it is so contagious–it can be carried in dust particles clinging to a car antenna–that one infected animal can easily contaminate the entire herd....