Uploaded March 2020 | Updated September 2026, 1 week ago

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Studies cited @ times cited...

@ 1:17 Jefferson et al (2011) pubmed.ncbi.nlm.nih.gov/21735402
Of the nine case-control studies cited in my quotation of Jefferson, seven involved healthcare workers and two involved mask wearing by uninfected members of the public, Wu et al (2004) @ ncbi.nlm.nih.gov/pmc/articles/PMC3322931 and Lau et al (2004) @ pubmed.ncbi.nlm.nih.gov/15200846

@ 2:01 Jefferson et al (2008) pubmed.ncbi.nlm.nih.gov/18042961

@ MacIntyre (2015) pubmed.ncbi.nlm.nih.gov/25858901

@ 4:09 Hui & Chan (2010) pubmed.ncbi.nlm.nih.gov/20674795 and Breban et al (2013) pubmed.ncbi.nlm.nih.gov/23831141

@ 4:21 van Doremalen et al nejm.org/doi/full/10.1056/NEJMc2004973 and Ong et al (2020) jamanetwork.com/journals/jama/fullarticle/2762692

@ 5:26 Tracht et al (2010) ncbi.nlm.nih.gov/pmc/articles/PMC2818714

@ 6:58 Cui et al (2019) pubmed.ncbi.nlm.nih.gov/31499643

@ 8:22 Tracht et al (2012) ncbi.nlm.nih.gov/pmc/articles/PMC3307882

@ 9:55 Aiello et al (2012) pubmed.ncbi.nlm.nih.gov/22295066

@ 10:36 Suess et al (2012) pubmed.ncbi.nlm.nih.gov/22280120

@ 11:04 Cowling et al (2009) pubmed.ncbi.nlm.nih.gov/19652172

@ 11:32 Larson et al (2010) pubmed.ncbi.nlm.nih.gov/20297744

@ 12:03 Simmerman et al (2011) pubmed.ncbi.nlm.nih.gov/21651736

@ 12:57 Aiello et al (2012) ncbi.nlm.nih.gov/pmc/articles/PMC3266257

@ 14:11 MacIntyre (2009) ncbi.nlm.nih.gov/pmc/articles/PMC2662657

@ 15:45 Foo et al (2006) pubmed.ncbi.nlm.nih.gov/17026695

@ 17:19 DIY facemask video @ youtu.be/Pb59qBUNg1o

@ 18:34 DIY facemask video @ youtu.be/Bs-E_R5WWsY

My local hospital is pointing people to this webpage with instructions on how to sew face masks acceptable for healthcare workers: sewgoodgoods.org/face-mask-covid-19 which links to an instructional video @ youtu.be/9tBg0Os5FWQ

フェイスマスク 안면 마스크 faciem larva Maschera viso