Relevant article: https://www.google.com/amp/s/theconversation.com/amp/copper-is-great-at-killing-superbugs-so-why-dont-hospitals-use-it-73103 https://www.goo

Relevant article: https://www.google.com/amp/s/theconversation.com/amp/copper-is-great-at-killing-superbugs-so-why-dont-hospitals-use-it-73103 https://www.google.com/amp/s/theconversation.com/amp/copper-... I read that it depends on time, temperature and microbe—-but in general, copper is highly effective.