close-up of a medical professional using a disinfectant fogger for sanitation in a sterile environment

ai antibacterial bacteria biohazard clean cleaning cleanliness cleanse contamination decontamination disinfect disinfectant disinfection environment equipment fogger fogging generated germfree health healthcare hospital hygiene hygienic laboratory measure medical precaution precautionary procedure professional protection safety sanitation sanitizer sanitizing spray sterile sterility sterilization virus