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February 22, 1902


JAMA. 1902;XXXVIII(8):519-520. doi:10.1001/jama.1902.02480080029010

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The mosquito has long been suspected of being a factor in the production of malaria, and during the past seven years scientific methods have been employed by investigators in different malarious countries to determine whether this suspicion were true. The proof that the mosquito is an essential factor in the production and spread of malaria is now sufficiently conclusive to satisfy all biologists and physicians who have closely followed the publications upon the subject. The argument is still advanced by the laity, and even by some members of the medical profession that malaria can not be caused by mosquitoes because mosquitoes are abundant in many places where malaria does not prevail. Not all mosquitoes are carriers of malarial infection, but only those belonging to the genus anopheles. While it is true that anopheles are present in all places where malaria is rife, it is also a fact that anopheles may

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