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Transmission of Four Central American Strains of Plasmodium vivax from Monkey to Man

William E. Collins, Peter G. Contacos, Wojciech A. Krotoski and William A. Howard
The Journal of Parasitology
Vol. 58, No. 2 (Apr., 1972), pp. 332-335
DOI: 10.2307/3278097
Stable URL: http://www.jstor.org/stable/3278097
Page Count: 4
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Transmission of Four Central American Strains of Plasmodium vivax from Monkey to Man
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Abstract

Infections of 4 different Central American strains of Plasmodium vivax in the Aotus trivirgatus monkey were shown to be infectious to Anopheles freeborni and A. maculatus mosquitoes. The A. freeborni were more readily infected than were the A. maculatus with each of the strains. A comparison of the infection ratios indicated that each strain of malaria was different with regard to its mosquito infectivity. Transmission of the infection to 17 men was obtained by the bites of infected A. freeborni mosquitoes after extrinsic incubation periods of 13 to 18 days. The prepatent periods in the men ranged from 9 to 16 days with a mean of 13.8 days.

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