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Clin Infect Dis. 2009 Jul 15;49(2):275-7. doi: 10.1086/600041.

A quantitative assessment of the efficacy of surgical and N95 masks to filter influenza virus in patients with acute influenza infection.

Author information

1
Infectious Diseases Department, Austin Health, Heidelberg, Victoria, Australia.

Abstract

We assessed the in vivo efficacy of surgical and N95 (respirator) masks to filter reverse transcription-polymerase chain reaction (RT-PCR)-detectable virus when worn correctly by patients with laboratory-confirmed acute influenza. Of 26 patients with a clinical diagnosis of influenza, 19 had the diagnosis confirmed by RT-PCR, and 9 went on to complete the study. Surgical and N95 masks were equally effective in preventing the spread of PCR-detectable influenza.

PMID:
19522650
DOI:
10.1086/600041
[Indexed for MEDLINE]

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