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THE OUTLOOK FOR MALARIA CONTROL

JAMA. 1929;93(19):1474-1475. doi:10.1001/jama.1929.02710190046016.
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Three species of the genus Plasmodium are parasites of human malaria; these are P. vivax, the organism of tertian malaria; P. malariae, the organism of quartan malaria, and P. falciparum, the organism of estivoautumnal malaria. Insects are responsible for the transfer of these noxious parasites. More than five hundred species of mosquitoes have been described, the majority of which belong in the tropics, although the North is richer in individuals. Fortunately only female mosquitoes belonging to the genus Anopheles are parasitized by malarial parasites and are able to transfer the latter to man; but there are several species of Anopheles involved as vectors in the transmission of the human disease. The number of anopheline species demonstrated to be capable of promoting the development and distribution of the malarial plasmodia is growing, so that one writer1 has remarked that the safest plan is to consider any mosquito of the genus

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Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

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