Medicine: Mosquito and Malaria

Malaria, the worst tropical disease of the Western Hemisphere, does not come, as has long been believed, entirely from mosquitoes that breed in swamps. Because he proved that a mosquito that lives not in swamps but in the trees of Trinidad's jungles also carries malaria, a young entomologist, Lloyd Eugene Rozeboom of Johns Hopkins, last week got a $1,000 prize from the American Society of Tropical Medicine at its meeting in St. Louis.

The malaria parasite is generally carried by mosquitoes of the genus Anopheles, which breed in marshes and dead pools.

Most successful method of malaria control has been to drain swamps...

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