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. 2022 Nov 15;7:67. doi: 10.1038/s41525-022-00336-7

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Fig. 1 — These measures included quarantine during Black Death epidemic⁹⁵, hygiene and social distancing in the Crimean war⁶², the building of mountain sanatoria to cure TB^96–98, the implementation of a sewage system to overcome London’s Great stink^63,64, and the introduction of water filtration and chlorination systems/technologies to clean potable water in the USA⁹⁹.