Word: andersoni
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Dates: during 1940-1949
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Rocky Mountain spotted fever attacks at least 1,000 people a year, in certain sections kills almost all its victims. Despite its name, the disease is found all over the U.S. In the West it is carried by the wood tick (Dermacentor andersoni), in the East by the dog tick (Dermacentor variabilis). But only one in 500 ticks is infected. The ticks, which are brown, about three-sixteenths of an inch long, with eight spiny legs, carry within their bodies a virus of the family Rickettsia (named after Howard Taylor Ricketts, one of the martyred scientists). Another form of Rickettsia...
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