Whakakihia te rerenga e whai ake nei: I whakamahia e te taote Ingarihi a John Snow he mahere rite ki a Voronoi i te tau 1854 hei whakaatu i te nuinga o nga tangata i mate i te
I noho tata atu te pakarutanga o te mate huka o Broad Street ki te papu wai o Broad Street kua pangia, i ētahi atu papu wai.