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This bulletin summarizes the rational prophylaxis against sleeping sickness so far as it is known at this time. A large part of the bulletin is taken up with a consideration of the life history, habits and distribution of the tsetse fly, Glossina palpalis. This, of course, is of prime importance, for effective prophylaxis depends to a large degree on a reduction in the number of flies, and on avoidance of localities infected by them. The propagation, the relation of the fly to season, altitude, sun and shade, temperature and humidity, its food supply, enemies and diseases, range of flight, and particularly its close association with bodies of water are discussed.
Methods of prophylaxis are classified under four heads.
Attacking the fly in its haunts. The natural abode of the fly is in the brush on the banks of streams or other bodies of water, and here it propagates. It
Sleeping Sickness Bureau. JAMA. 1909;LIII(11):889. doi:10.1001/jama.1909.02550110063022
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