<prompt> Pedzisa mutsara unotevera:  <response>: 1854 Broad Street chirwere chekorera chaive chirwere chakakomba chekorera chakaitika muna 1854 pedyo neBroad Street zvino Broadwick Street mudunhu reSoho reLondon, England, uye chakaitika panguva yechitatu yekorera. Kuputika uku, uko kwakauraya vanhu 616, kunozivikanwa zvikurusa nokuda kwefundo yachiremba John Snow yezvinokonzera uye fungidziro yake yokuti mvura yakasvibiswa neutachiona yaiva manyuko ekorera, panzvimbo pezvinhu zviri mumhepo zvinonzi miasma. 