Iowa, Illinois and other midwestern states appear to be in the grip of a mumps outbreak. The CDC reports that more than 600 people have been infected by just two carriers of the virus. Two infected people on two separate airplanes.
That fact alone demonstrates how easy it is these days for a virus to travel from one country to another, from one state to another, in hours.
In fact, most travelers who are infected with a virus don’t even know it until it’s too late. One o…