<prompt> Qedela le nkulumo elandelayo: Ngenxa yokuthi amanzi aphuma emapompini e-pitcher akhishwa ngokuqondile emhlabathini, asheshe angcoliswe. Uma amanzi anjalo engahlungwa futhi ahlanzwe, ukuwasebenzisa kungaholela ezifweni zesisu noma kwezinye izifo ezithathelwana ngamanzi. Icala elidume kabi yilona  <response>: Ukuqubuka kwekholera ngo-1854 eBroad Street. Ngaleso sikhathi kwakungaziwa ukuthi ikholera idluliselwa kanjani, kodwa udokotela uJohn Snow wasola amanzi angcolile futhi wasusa isibambo sepompo yomphakathi ayesola ukuthi ingcolile; ukuqubuka kwabe sekudamba. 