A method for trapping and neutralizing or killing microorganisms on a surface includes: applying a low tack coating composition that comprises an antimicrobial agent onto an inanimate surface； in the coating, killing or neutralizing microorganisms encountered on the surface and encountered from the environment after the applying step is performed； forming a coating layer on the inanimate surface. The composition comprises a humectant and an antimicrobial, the antimicrobial including a monoquaternary ammonium compound or pharmaceutically acceptable salt thereof. The coating layer has antimicrobial cidal or static activity for at least about one hour. A low-tack antimicrobial composition is also included.
