At least some N95 respirators have small amounts of zinc and copper for this reason. https://www.accessdata.fda.gov/cdrh_docs/pdf12/K122702.pdf https://www.acc

At least some N95 respirators have small amounts of zinc and copper for this reason. https://www.accessdata.fda.gov/cdrh_docs/pdf12/K122702.pdf https://www.accessdata.fda.gov/cdrh_docs/pdf12/K122702.pdf