Human Experience with Dieldrin in Malaria Control Programs

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Abstract
Dieldrin, a chlorinated hydrocarbon insecticide, has been used in some 55 countries for malaria control and other public health programs. Its use has been jeopardized by occasional reports of intoxication resulting from such use. Investigation has shown that such intoxication is usually a matter of gross and continued exposure over a prolonged period of time without adequate personal hygiene. To prevent intoxication it is advisable to have all spray workers examined medically before employment and to have them under well trained supervision while working. Protective clothing combined with good personal hygiene appears to be able to prevent intoxication from this chemical. Early symptoms of intoxication should be sufficient to insure removal from further exposure. No permanent sequelae have been reported following intoxication from dieldrin.