<prompt> Ramba uchinyora ndima iyi - Muzana remakore rechi19, Britain ndiyo yaiva muzinda wokukura nokukurumidza kwemaguta, uye somugumisiro, zvinetso zvakawanda zvoutano neutsanana zvakaoneka, somuenzaniso kupararira kwekorera nehosha. Ikoku kwakaguma neBritain ichitamba rutivi rukuru mukusimudzirwa kwoutano hwavanhu. Vasati vawana kubatana kuri pakati pemvura yokunwa yakashatiswa nezvirwere, zvakadai sekorera nezvimwe zvirwere zvinoparadzirwa nemvura, pfungwa yechiasma yaishandiswa kururamisa kupararira kwezvirwere izvi. Dzidziso yeMiasma idzidziso yokuti zvirwere nezvimwe zvirwere zvinokonzerwa nemhepo yakaipa. Ongororo dzachiremba John Snow muUnited Kingdom panguva yechirwere checholera chakaitika muBroad Street muna 1854  <response>: yakajekesa kubatana pakati pezvirwere zvinoparadzirwa nemvura uye mvura yokunwa yakasvibiswa. Kunyange zvazvo dzidziso yeutachiona hwehosha yakanga isati yagadzirwa, kucherekedza kwaSnow kwakamuita kuti arambe dzidziso yaivapo yechienzi. Nyaya yake ya1855 yaiti On the Mode of Communication of Cholera yakaratidza zvakajeka kuti mvura yaibatsira sei pakuparadzira chirwere checholera muSoho, achishandisa mepu ine madonhwe uye uchapupu hwokuverenga kuti aratidze kubatana kwainge kwakaita kunaka kwemvura nenjodzi dzecholera. Munguva yedenda ra1854, akaunganidza uye akaongorora mashoko anoratidza kuti vanhu vainwa mvura yaibva kunzvimbo dzakanga dzasvibiswa dzakadai sepombi yaiva muBroad Street vakafa nekorera pamwero mukuru zvikuru kupfuura vaya vaiwana mvura kune imwe nzvimbo. Mashoko ake akanyengetedza kanzuru yomunzvimbomo kudzima pombi yemvura, iyo yakakurumidza kugumisa denda racho. 