Brass and Copper Door Handles - For battling germs and bacteria?

The Oligodynamic Effect: How Some Metals Clean Themselves

The surfaces that kill bacteria and viruses

The surfaces that kill bacteria and viruses

The Benefits of Brass – Nostalgic Warehouse

The Ninja in the Corner

Copper Can Kill Germs - But There is a Catch, 2020-05-04

CuVerro

Kwikset Halifax Interior Privacy Door Handle with Lock, Door Lever For Bathroom and Bedroom, Satin Nickel Reversible Keyless Push Button Lock Door Lever, with Microban Protection

This door handle kills germs