Effects of suspended residual spraying and of imported malaria on malaria control in the USA.

Abstract

The activities of the National Malaria Eradication Programme, a co-operative campaign inaugurated in July 1947 by the United States Public Health Service and certain State and local health agencies, are outlined. Control operations reached their maximal level in 1948, when 1,364,950 dwellings in 13 "malarious" States were sprayed with residual DDT, and the… (More)

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