Literature DB >> 19522650

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

D F Johnson1, J D Druce, C Birch, M L Grayson.   

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.

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Year:  2009        PMID： 19522650     DOI： 10.1086/600041

Source DB:  PubMed          Journal:  Clin Infect Dis        ISSN： 1058-4838            Impact factor:   9.079


  54 in total

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6.  A schlieren optical study of the human cough with and without wearing masks for aerosol infection control.

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7.  Validation and application of models to predict facemask influenza contamination in healthcare settings.

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9.  Respiratory virus shedding in exhaled breath and efficacy of face masks.

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