Abstract
| - Abstract. It is tentatively suggested that a possible explanation of the absence of sleeping sickness amongst infantile populations of the West Nile and Madi Districts of Uganda and elsewhere may be the acute and recurring attacks of malaria sustained in infancy in endemic areas, and not ceasing until the development of malarial immunity between the third and fourth years of life. As this immunity develops so, it is suggested, does susceptibility to sleeping sickness increase.
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