Millions of live animals come into the country each year, and very few have really good surveillance. Fish and Wildlife checks cargoes to see if they have endangered species, but it's the U.S.D.A. that does health checks, and they don't go unless it's an agricultural product, so the pet trade tends to get a pass. |
We can now conclusively say that we know the origin of SARS, and ... the virus was transmitted from animals to people. |