MedCurrently

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Original authoritative source: JAMA Internal Medicine AFRI-c randomized trial.

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🚨🏴󠁧󠁢󠁥󠁮󠁧󠁿:

1/ The AFRI-c trial tested whether portable HEPA filters could reduce winter respiratory infections in older care-home residents.

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Limitations

Conducted in England
Care homes and buildings varied
Filter placement and resident exposure differed
Clinical infection outcomes may have included different pathogens
The trial did not test every possible filtration capacity, ventilation design or outbreak-specific use case
Findings do not address air-quality benefits unrelated to infection

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🚨🏴󠁧󠁢󠁥󠁮󠁧󠁿England:

Portable HEPA filters placed in communal rooms and bedrooms did not significantly reduce winter respiratory infections among residents of English care homes.

The AFRI-c trial included 91 care homes and 1,158 residents contributing primary-outcome data.

Existing infection-prevention measures should remain the priority.

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Original authoritative source: JAMA Internal Medicine randomized trial.

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USA:

1/ The MUTTON-HF randomized trial enrolled 206 adults with heart failure receiving care at two Indian Health Service sites in rural Navajo Nation.

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Limitations

206 participants
Open-label design
Only two sites
Twelve-week follow-up
Highly specific population and setting
Some outside-facility events relied initially on self-report
No non-culturally tailored meal comparator
Long-term durability and cost-effectiveness remain under study