- 乙型脑炎 yǐxíngnǎoyán Japanese encephalitisJapanese encephalitis; also known as epidemic encephalitis B
- 大脑炎 dànǎoyán encephalitisCommon name for epidemic encephalitis; an acute infectious disease typically transmitted through mosquito bites and characterized by high fever, headache, and vomiting.
- 森林脑炎 sēnlínnǎoyán forest encephalitisforest encephalitis; a viral infection of the central nervous system transmitted by ticks
- 流行性乙型脑炎 liúxíngxìngyǐxíngnǎoyán Japanese encephalitisJapanese B encephalitis, a viral infection of the brain transmitted by mosquitoes
- 东方马脑炎病毒 dōngfāngmǎnǎoyánbìngdú eastern equine encephalitis viruseastern equine encephalitis (EEE) virus
- 西方马脑炎病毒 xīfāngmǎnǎoyánbìngdú western equine encephalitis viruswestern equine encephalitis (WEE) virus
- 委内瑞拉马脑炎病毒 wěinèiruìlāmǎnǎoyánbìngdú Venezuelan equine encephalitis virusVenezuelan equine encephalitis (VEE) virus
- 日本脑炎 rìběnnǎoyán Japanese encephalitisA type of viral brain inflammation transmitted by mosquitoes, typically occurring in the summer; first identified and confirmed in Japan. Also known as [[乙脑|乙腦|yi3 nao3]] or [[流行性乙型脑炎|流行性乙型腦炎|liu2 xing2 xing4 yi3 xing2 nao3 yan2]].