Word: kalaazar
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Despite Dr. Müller's surprise, DDT's place in preventive medicine is secure. It kills the mosquitoes that carry malaria, the flies that carry cholera, the lice that carry typhus, the fleas that carry the plague, the sand flies that carry kalaazar and other tropical diseases. Because of DDT, the tropics are becoming safer places to live; because of it typhus was no serious threat in World...
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