Facemask against viral respiratory infections among Hajj pilgrims: A challenging cluster-randomized trial.
<h4>Background</h4>In this large-scale cluster-randomized controlled trial (cRCT) we sought to assess the effectiveness of facemasks against viral respiratory infections.<h4>Methods and results</h4>Over three consecutive Hajj seasons (2013, 2014, 2015) pilgrims' tents in...
Main Authors: | , , , , , , , , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Public Library of Science (PLoS)
2020-01-01
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Series: | PLoS ONE |
Online Access: | https://doi.org/10.1371/journal.pone.0240287 |