malaria; specifically used in 疟疾 nüè​ji (pronounced nüè) or colloquially in 疟子 yào​zi (pronounced yào)

An intermediary or agent through which something is achieved, transmitted, or communicated; often used as an abbreviation for 媒体 méi​tǐ.

(bound form) mosquito; often used in the form 蚊子 wén​zi