Abstract
To the Editor.— The communication titled Rat Mite Dermatitis ( 215 : 1499, 1971) should be of great interest to every physician, as it is not a rare problem. A 54-year-old chemical engineer reported in 1968 that he and his two sons were afflicted with numerous 'insect bites on their extremities, thorax, buttocks, and genitalia. He had noticed 'small bugs crawling all over me, and he brought four of them to the office for study. Mr. William Waldron, senior biologist-entomologist of the Los Angeles County Health Department, made the identification of Liponyssus bacoti . Eradication of rats in the attic eventually solved the problem. A 73-year-old white woman residing in an apartment over a store handling food items was seen with numerous 'insect bites widely distributed over the body. History revealed that pestcontrol operators had spread poison, killing numerous rats in the building, and that the patient had found a dead rat in
Published Version
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