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March 13, 1943


Author Affiliations

Columbia, S. C.

JAMA. 1943;121(11):828-830. doi:10.1001/jama.1943.62840110001013

The present war with its rapid means of transportation has focused our attention on diseases of far distant lands, some of which have never occurred in this country. The typhus fever group is of particular interest, and one should be ever on the alert for its appearance. Megaw's1 classification is based on the insect vector and is divided into the epidemic and nonepidemic forms. The epidemic form is true typhus, the louse being the insect vector. Under the nonepidemic form are classified flea typhus or Brill's disease; tick typhus, which includes Rocky Mountain spotted fever; Montana tick fever and others, and mite typhus, sometimes called Japanese river fever or tropical typhus. In 1935 a new fever entity was first noted among the meat workers in Brisbane, Queensland, Australia. The cases reported were studied by Derrick2 and Burnet and Freeman,3 who made their report in 1937. They described