Whakaotihia te rerenga e whai ake nei: I te nuinga o te rau tau 20, kāore i mōhiotia te kōmaru i Amerika, engari i puta mai anō i te mutunga o taua rau tau. I muri i te mutunga o te
2010s Haiti cholera outbreak, kaore ano kia kitea he mate cholera i Amerika mai i te Hui-tanguru 2019. Ko te mate he mate i Awherika me etahi waahanga o Ahia (Bangladesh, India me Yemen). Kāore te mate kōrerorero i Uropi, ko ngā take katoa i pūrongotia he hītori haerenga ki ngā wāhi kōrerorero.