<prompt> Bhala okuqhubekayo kwalesi sigaba - Ukuqubuka kwekholera ngo - 1854 eBroad Street  <response>: kwaba ukuqubuka okukhulu kwekholera okwenzeka ngo-1854 eduze neBroad Street manje eyiBroadwick Street esifundeni saseSoho eLondon, eNgilandi, futhi kwenzeka phakathi nobhadane lwesithathu lwekholera. Lolu bhubhane, olwabulala abantu abangu - 616, lwaziwa kakhulu ngokucwaninga kukadokotela uJohn Snow ngezimbangela zalo nangombono wakhe wokuthi amanzi angcoliswe amagciwane ayewumthombo wekholera, kunokuba kube izinhlayiya ezisemkhathini ezibizwa ngokuthi i - miasma. 