<prompt> Bhala okuqhubekayo kwalesi sigaba - uJohn Snow, umqambi wezibulala-zinzwa, wayehlala kunombolo 18 kusukela ngo - 1852 kwaze kwaba sekufeni kwakhe ngo - 1858. USnow uthathwa njengomunye wobaba besayensi yokwaziswa ngezifo eziwumshayabhuqe zanamuhla, ngokwengxenye ngenxa yomsebenzi wakhe wokulandelela umthombo wokuqubuka kwekholera eSoho, eLondon, ngo-1854  <response>: . futhi. 