<prompt> Ramba uchinyora ndima iyi - Muna June 1866, denda rakapararira muEast End yeLondon rakauraya vanhu 5.596, apo guta racho rakanga richipedza kuvaka migero yaro mikuru yokurasa tsvina nemvura; chikamu cheEast End chakanga chisati chapera. Kwakakonzerwawo nokuzara kweguta muEast End, uko kwakabetsera hosha yacho kupararira nokukurumidza zvikuru munharaunda yacho. Nyanzvi yezvirwere William Farr akataura kuti East London Water Company ndiyo yakanga yaita kuti chirwere chacho chipararire. Farr akashandisa basa rapfuura raJohn Snow navamwe, achinongedzera kumvura yokunwa yakashatiswa sechikonzero chinobvira chekorera mukuputika kwa 1854  <response>: . Mugore rimwe chetero, kushandiswa kwemvura yemumigero yakasvibiswa mumabasa emvura omunzvimbomo kwakaparira kupararira kuduku paYstalyfera muSouth Wales. Vashandi vaibatanidzwa nekambani yacho, nemhuri dzavo, ndivo vakanyanya kutapurwa, uye 119 vakafa. 