Rocky Mountain spotted fever is now in full seasonal upswing. But the U.S. Public Health Service reassuringly pointed out that, newspaper reports notwithstanding, there is no epidemic of Rocky Mountain spotted fever, less spotted fever (112 cases) so far this year than so far last year (126 cases).
In the Rocky Mountain area, where ticks have been carrying the fever since Indian days, people are not jittery about it. They know that only one tick in 300 is infected, that he must bite and burrow for several hours in order to transmit the infection. But in the East, where the fever has...