- Traditional Chinese Character(HanT):
傳染源
- Simplified Chinese Character(HanS):
传染源
- Bopomofo(Mandarin Phonetic Symbols): ㄔㄨㄢˊ ㄖㄢˇ ㄩㄢˊ (ㄔㄖㄩ)
- Bopomofo(Zhuyin Keyboard Input/IME): tj06b03m06
- (ASCII) Hanyu Pinyin: "chuanranyuan" "Chuan2Ran3Yuan2" "Chuan2 Ran3 Yuan2" (CRY)
- (Latin) Hànyǔ Pīnyīn: ChuánErYuán [ Chuán Er Yuán ]
- (英文翻譯) English Translation: "Source of infection"
- (西語翻譯) Traducción Español: "Fuente de infección"
- (日文翻譯) 日本語翻訳: "感染源"