Abstract
AN experiment is in progress in the Pare area of Tanganyika to find whether or not malaria can be controlled by residual treatment of huts with dieldrin. The area is 3–4,000 square miles, involving a population of 100,000. The Pare Mountains extend along the length of the treated area, at an altitude of about 4,000 ft. above sea-level. The population is about equally divided between the malarious plains and the mountains, which are separated by a steep escarpment. Surveys of the human population did not suggest that active transmission occurred on the mountains1. Huts were treated only in the plains, and the first cycle of spraying was completed in November 1955. Subsequent treatments continue at intervals of 8 months.
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References
Draper, C. C., and Smith, A., Trans. Roy. Soc. Trop. Med. Hyg., 51, 137 (1957).
Garnham, P. C. C., J. Nat. Mal. Soc., 7, 275 (1948).
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SMITH, A. Effect of Residual House Spraying in the Plains on Anopheline Densities in Huts on the Pare Mountains. Nature 183, 198–199 (1959). https://doi.org/10.1038/183198a0
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DOI: https://doi.org/10.1038/183198a0
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