Buuxi weedhan soo socota: Intii lagu guda jiray cudurka faafa ee 1853-54, Farr wuxuu soo ururiyay cadeymo tirakoob oo dheeraad ah. Inta lagu guda jiro daraasad diiradda of
1854 Cudurka shuban biyoodka ee Broad Street, dhakhtarka John Snow wuxuu isticmaalay xog uu bixiyay GRO