医生提醒我们，黑热病主要通过白蛉叮咬传播，出现长期发热应及时就医。
The doctor reminded us that kala-azar is mainly transmitted through sandfly bites, and that anyone with a prolonged fever should seek medical attention promptly.
The doctor reminded us that kala-azar is mainly transmitted through sandfly bites, and that anyone with a prolonged fever should seek medical attention promptly.