Question

Jhon snow theory of prevent spread cholera infectious diseases

Answer 1

Answer:

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