Eg https://en.m.wikipedia.org/wiki/1854_Broad_Street_cholera_outbreak https://en.m.wikipedia.org/wiki/1854_Broad_Street_cholera_ou... If there is no correlatio

Eg https://en.m.wikipedia.org/wiki/1854_Broad_Street_cholera_outbreak https://en.m.wikipedia.org/wiki/1854_Broad_Street_cholera_ou... If there is no correlation there is no issue.