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Article
March 15, 1902

SOME INTERESTING QUESTIONS IN MALARIA.

JAMA. 1902;XXXVIII(11):712. doi:10.1001/jama.1902.02480110034006
Abstract

The problems of malaria are not yet all solved by the recent advances in our knowledge regarding it. We know the parasite and in a general way its life history, and more important still we know how it is introduced into the human organism and how to avoid it. There are still, however, the puzzling facts of immunity and other questions that require solution. A suggestive article1 has recently appeared from the pen of Dr. A. F. A. King, who it will be remembered was one of the earliest advocates of the theory of the agency of the mosquito in the transmission of malaria. In this recent paper he adduces facts that seem to him to indicate that the growth of the plasmodium in the blood is influenced by light. Among these are the infrequency of malarial paroxysms in the night hours, the relative immunity of the dark-skinned races,

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