I enjoyed reading about how for a long time, copper was used on many surfaces in hospitals, to avoid infection. It was replaced with stainless steel, which "loo

I enjoyed reading about how for a long time, copper was used on many surfaces in hospitals, to avoid infection. It was replaced with stainless steel, which "looked" clean, but harbored bacteria, while copper "looked" dirty (and unsanitary) when really it would neutralize viruses.