Nyorai mberi kweiyi ndima - Munguva ya1848-1849, mamwe mauto anobva kuHabsburg-inotongwa neHumambo hweAustria akavhiringidza sangano rekuzvimiririra reHungary
, vakauraya kana kuti kupfigira vatungamiriri vayo uye mukuita kudaro vakaparadza mativi ePest. Semmelweis paakasvika kuPest achibva kuVienna muna 1850, vanhu vemuguta iri havana kumugamuchira nemaoko maviri.