[Radix]

“‘Removal of the pump-handle’ has become an international symbol of public health.”

https://www.gavi.org/vaccineswork/long-view-john-snow-and-pump-handle-public-health

[Radix]

https://www.gavi.org/vaccineswork/long-view-john-snow-and-pump-handle-public-health

[Bigg Red]

Thanks for posting that.