94 下列那一個疾病是由John Snow找出傳染的途徑？

 傷寒 霍亂 麻疹 小兒麻痺

cholera

John Snow (15 March 1813 – 16 June 1858) was an English physician and a leader in the adoption ofanaesthesia and medical hygiene. He is considered to be one of the fathers of epidemiology, because of his work in tracing the source of a cholera outbreak in Soho, England, in 1854.