A disease produced by a parasite deposited in the blood by the bite of certain mosquitoes; chills and fever.

【医】疟疾。感染疟原虫而生的疾病。疟原虫感染红血球细胞后放出毒素，使病人有发冷发热的症状。

Harmful vapors from marshy land, supposed to produce fevers, etc.

瘴气。