doctor washing hands before surgery

anitmicrobial anti antibacterial antiseptic arm assistant background bacteria bacterial bathroom before brush care caucasian clean cleanliness cleansing clinic clinical closeup dirt dispense doctor female flu germ grime h1n1 hand hands health healthcare healthy hospital hygiene hygienic illness liquid mask medical medicine nurse people perioperative person physician prep preparation professional protective rear safety sanitary sanitation scrub scrubs sink soap sponge staff stainless steel sterile sterilize sterilizing surgeon surgery surgical team view wash washing water women