The tsetse fly is a bearer of sleeping sickness.

采采蝇为传染昏睡病的媒介.

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The fatal infection begins with the bite of a tsetse fly.

昏睡症的致命感染始于采采蝇的一叮.

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It is spread to humans through the bite of infected tsetse flies.

通过被感染的采采蝇的叮咬传染给人类.

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Sleeping sickness is spread by the bite of the tsetse fly.

昏睡症由孑孓蝇的啃咬传播.

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