Saturday, August 29, 2009

Facemask and Respirator Use to Reduce Novel Influenza A (H1N1) Virus Transmission

This document has been updated in accordance with the CDC Recommendations for the Amount of Time Persons with Influenza-Like Illness Should be Away from Others . This document provides interim guidance and will be updated as needed.

This document provides updated interim guidance on the use of facemasks and respirators for decreasing the exposure to novel influenza A (H1N1) virus. This guidance replaces other CDC guidance on mask and/or respirator use that may be included in other CDC documents in regards to the outbreak of novel H1N1 virus. No change has been made to guidance on the use of facemasks and respirators for health care settings. This document includes guidance on facemask and respirator use for a wider range of settings than was included in previous documents and includes recommendations for those who are at increased risk of severe illness from infection with the novel H1N1 virus compared with those who are at lower risk of severe illness from influenza infection.For more information about human infection with novel influenza A (H1N1) virus, visit the CDC H1N1 Flu website. Other CDC novel H1N1 guidance will be updated with the information contained in this document as soon as possible.

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