In a recent number, notice was taken of the work of Celli and the Italians in emphasizing the economic side of malaria.1 Another article has just appeared that deals with the practical side of malaria as seen in the tropical possessions of Germany in Africa.2 Plehn takes it for granted that the plasmodium is the cause of malaria and that the disease is communicated to man by the bite of the mosquito. In his observations he recognizes the larger pigmented form of parasite with intermittent course, and a smaller form with sparse pigment corresponding in its morphology and clinical manifestations to the estivo-autumnal parasite. The value of blood examinations is not underestimated and the experienced physician can in this way not only tell the variety of malaria but can predict the time of the next paroxysm. Yet clinical manifestations generally enables one to make an accurate and positive
PRACTICAL POINTS CONCERNING MALARIA.. JAMA. 1902;XXXVIII(7):463. doi:10.1001/jama.1902.02480070029005
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