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What spatial separation is advised for people with respiratory infections in common waiting areas?
AIdeally more than 1 foot, when it is possible
BIdeally more than 3 feet, when it is possible
CIdeally more than 8 feet, when it is possible
DIdeally more than 15 feet, when it is possible
Answer & Solution
Correct answer: B. Ideally more than 3 feet, when it is possible
1. Spatial separation of ideally more than 3 feet is advised in common waiting areas, where it is possible.
2. Physical proximity closer than 3 feet has been associated with increased risk of infection spread by the droplet route.
3. That is why the figure is 3 feet rather than one foot, which would put people inside the risk range.
4. Eight and fifteen feet exceed what is advised and are rarely achievable in a waiting room.
5. Separation sits alongside signage, education, source control and hand hygiene rather than replacing them.
_Source: CDC Guideline for Isolation Precautions: Preventing Transmission of Infectious Agents in Healthcare Settings (2007), Part III, section III.A.1.a. Respiratory hygiene/cough etiquette_
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