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What level of infection control does disinfection represent?

  1. First level

  2. Second level

  3. Third level

  4. Fourth level

The correct answer is: Second level

Disinfection is an essential part of infection control methods and represents the second level of infection control. This level focuses on killing or inactivating most pathogenic microorganisms, but not necessarily all of them. It is not the first level because it is not as comprehensive as sterilization. It is also not the third or fourth level because those levels focus on destroying all microorganisms, including spores, which disinfection does not always achieve.