Flesh-eating STI Donovanosis which causes genitals to 'rot away' found in UK
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https://www.mirror.co.uk/news/uk-news/tropical-flesh-eating-sti-causes-13119783
This is some scary shit.
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Gotta love the Mirror for maintaining their usual high quality standards of journalism.
Maybe try this one
https://www.popsci.com/donovanosis-sexually-transmitted