Discussion
An intermediate-level disinfectant destroys vegetative bacteria including tubercle bacilli, but not
Answer: D
Correct answer: bacterial spores
Spores are the most resistant form of microbial life, and killing them is exactly what separates sterilisation from disinfection. An intermediate-level disinfectant handles vegetative bacteria including mycobacteria, most viruses and fungi, but leaves spores viable. Only a high-level disinfectant, given prolonged contact, approaches sporicidal activity.
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