Silver is also known to have antibacterial/antimicrobial properties and is used both as a coating on handles, surfaces to prevent bacterial buildup and also in typical creams as an antibacterial option (however, I do believe a recent study showed it to be no better than a control when applied topically to burns, which is/was one of its primary uses). Both copper and silver oxidize unpleasantly very quickly, though.
Silver sulfadiazine 1% cream is a highly effective antibiotic for preventing infections in deep burns. In my experience, while while the wound is open, this was the only cream that had no skin reactions, and that made it far easier keep it on 24/7. The cream kept air out, greatly reduced pain. Eliminating infection allowed more rapid healing. I don't know whether it's prescribed today, but it was the only cream that…
[1] Genetics and apparently bad grooming habits for the win! [2] A smashing success for ten years and counting. About 1/8 of each side grew back but it's not physically possible for me to get ingrown toenails unless I intentionally try to induce them.