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August 1978


Arch Intern Med. 1978;138(8):1305. doi:10.1001/archinte.1978.03630330099039

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To the Editor.—  "Cough: A Comprehensive Review," which appeared in the September Archives (137:1186-1191, 1977), is informative and practical, but incomplete in its discussion of etiology. There is no reference to pertussis, which is certainly not uncommon. Do the authors have any explanation for the peculiar cough that occurs with this infection?In the field of parasitology, there are three infections in which cough may be prominent. Tropical pulmonary eosinophilia is one probably owing to infection with filarial parasites normally found in animals. It is relatively common in India and becoming more common in the United States because of increased immigration from that country. It is suggested by hypereosinophilia associated with cough, wheezing, and, sometimes, pulmonary infiltrations. A complement-fixation reaction for filariasis is usually strongly positive.A second infection, apt to be seen in immigrants from the Far East, is Paragonimus westermani (lung fluke). Cough, hemoptysis, pulmonary infiltrations, and eosinophilia

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