What term means that an antimicrobial drug can injure/kill the target cell or organism without injuring the person receiving the drug?

as the ability of a drug to injure a target cell/organism without injuring other cells/organisms in close contact

Applies to antimicrobial drugs, selective toxicity indicates the ability of an antibiotic to kill or suppress microbial pathogens w/o causing injury to host cell, so want selective toxicity in drugs