Some terminology regarding disinfection and cleaning


Asepsis: Prevention of contact with microorganisms
Cleaning: Removal of adherent visible blood/soil/proteinaceous substances/ microorganisms/debris from surfaces, crevices, serrations, joints, lumens of instruments/devices/equipment by manual/mechanical process for handling or further decontamination
Detergent: Surface cleaning agent (hydrophilic and lipophilic component) that acts by lowering surface tension
Disinfection: Thermal or chemical destruction of most of the pathogens
Germicide: Agent that destroys microorganisms, especially pathogens
Hospital disinfectant: Disinfectant registered for use in any medical facility; efficacy is demonstrated against Salmonella choleraesuis, Staphylococcus aureus, Pseudomonas aeruginosa
Sanitizer: Agent that reduces number of bacterial contaminants to safe levels as per public health requirements (mainly used for inanimate objects)
Sterile: State of being free from all living microorganisms

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