Abstract
Simple Respiratory Mask
Highlights
To the Editor: The US Department of Labor recommends air-purifying respirators (e.g., N95, N99, or N100) as part of a comprehensive respiratory protection program for workers directly involved with avian influenza–infected birds or patients [1]
The World Health Organization recommends protective equipment including masks for persons who must handle dead or ill chickens in regions affected by H5N1 [5]
A scissor, marker, and ruler were used to cut out 1 outer layer (≈37 × 72 cm) and 8 inner layers (
Summary
The World Health Organization recommends protective equipment including masks (if they not available, a cloth to cover the mouth is recommended) for persons who must handle dead or ill chickens in regions affected by H5N1 [5]. Designs and T-shirts were initially screened with a short version of a qualitative Bitrex fit test [9] (Allegro Industries, Garden Grove, CA, USA). Poor results from the initial quantitative fit testing on early prototypes resulted in the addition of 4 layers of material to the simplest mask design.
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