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The Control of Malaria in Malaya
According to Sir Ronald Ross, the Malayan campaign against malaria fever was almost the first begun, and has been the most persistent, the widest, and the most successful of malaria-control campaigns in British areas—perhaps in the world. In 1901 Sir Malcolm Watson was appointed government surgeon at Klang, in Selangor, a town of 3,576 inhabitants contained in an area of 290 acres, of which 22 acres were swamp and 85 jungle or dense growth. The place was badly infested by mosquitoes and full of malaria. Watson made a survey of the breeding places of these insects and found that the chief one was a swamp actually in the middle of the town. The whole fever and the annual death rate stood at 300 per thousand inhabitants, as against the English death rate of 11 or 12. The swamp was drained and the work of
LONDON. JAMA. 1927;89(7):534–535. doi:10.1001/jama.1927.02690070044020
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