Which of the following is an intermediate level disinfectant?
B. Quaternary ammonium compound
C. Hydrogen peroxide
Correct answer : D. Iodophors
- Intermediate level disinfectants are chemicals which can kill microbial pathogens including mycobacteria and non enveloped virus, but not the spores.
- Examples include alcohol, phenolic compounds and iodophors.
- Glutaraldehyde and hydrogen peroxide are high level disinfectants.
- Quaternary ammonium compounds are low level disinfectants.
Ref: Ananthanarayan and Paniker’s Textbook of Microbiology, 9th edition, p37.