Infection controlQuestion 1126 of 1700
Who is a susceptible host?
- A person who has no immune system at all
- A person with weakened defenses
- A healthy visitor who wears a mask
- A worker who is wearing full PPE
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Correct answer: A person with weakened defenses
A susceptible host is at higher risk because the immune defenses have changed. Most patients in health care fit this.
Questions last reviewed: 18 October 2026