Replies

I watched the vid with the OSHA chicks. I prepped and sent the following e-mail to my ‘psycho billy’ e-mail spam list...
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Will prolonged mask wearing damage children? The science regarding mask SAFETY is dubious, without even addressing possible efficacy in preventing viral spread, and individual/societal psychological effects. The 42 cited pieces of research / data listed below clearly show that masks serve more as instruments of obstruction of normal breathing, rather than as effective barriers to pathogens. Note many of the studies predate COVID-19. Will there be possible legal ramifications for damages? — Regards, smileyface.

https://thehighwire.com/videos/mask-whistleblowers-tell-all/

T Jefferson, M Jones, et al. Physical interventions to interrupt or reduce the spread of respiratory viruses. MedRxiv. 2020 Apr 7.
https://www.medrxiv.org/content/10.1101/2020.03.30.20047217v2
J Xiao, E Shiu, et al. Nonpharmaceutical measures for pandemic influenza in non-healthcare settings – personal protective and environmental measures. Centers for Disease Control. 26(5); 2020 May.
https://wwwnc.cdc.gov/eid/article/26/5/19-0994_article
J Brainard, N Jones, et al. Facemasks and similar barriers to prevent respiratory illness such as COVID19: A rapid systematic review. MedRxiv. 2020 Apr 1.
https://www.medrxiv.org/content/10.1101/2020.04.01.20049528v1.full.pdf
L Radonovich M Simberkoff, et al. N95 respirators vs medical masks for preventing influenza among health care personnel: a randomized clinic trial. JAMA. 2019 Sep 3. 322(9): 824-833.
https://jamanetwork.com/journals/jama/fullarticle/2749214
J Smith, C MacDougall. CMAJ. 2016 May 17. 188(8); 567-574.
https://www.cmaj.ca/content/188/8/567
F bin-Reza, V Lopez, et al. The use of masks and respirators to prevent transmission of influenza: a systematic review of the scientific evidence. 2012 Jul; 6(4): 257-267.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5779801/
J Jacobs, S Ohde, et al. Use of surgical face masks to reduce the incidence of the common cold among health care workers in Japan: a randomized controlled trial. Am J Infect Control. 2009 Jun; 37(5): 417-419.
https://pubmed.ncbi.nlm.nih.gov/19216002/
M Viola, B Peterson, et al. Face coverings, aerosol dispersion and mitigation of virus transmission risk.
https://arxiv.org/abs/2005.10720, https://arxiv.org/ftp/arxiv/papers/2005/2005.10720.pdf
S Grinshpun, H Haruta, et al. Performance of an N95 filtering facepiece particular respirator and a surgical mask during human breathing: two pathways for particle penetration. J Occup Env Hygiene. 2009; 6(10):593-603.
https://www.tandfonline.com/doi/pdf/10.1080/15459620903120086
H Jung, J Kim, et al. Comparison of filtration efficiency and pressure drop in anti-yellow sand masks, quarantine masks, medical masks, general masks, and handkerchiefs. Aerosol Air Qual Res. 2013 Jun. 14:991-1002.
https://aaqr.org/articles/aaqr-13-06-oa-0201.pdf
C MacIntyre, H Seale, et al. A cluster randomized trial of cloth masks compared with medical masks in healthcare workers. BMJ Open. 2015; 5(4)
https://bmjopen.bmj.com/content/5/4/e006577.long
N95 masks explained. – https://www.honeywell.com/en-us/newsroom/news/2020/03/n95-masks-explained
V Offeddu, C Yung, et al. Effectiveness of masks and respirators against infections in healthcare workers: A systematic review and meta-analysis. Clin Inf Dis. 65(11), 2017 Dec 1; 1934-1942.
https://academic.oup.com/cid/article/65/11/1934/4068747
C MacIntyre, Q Wang, et al. A cluster randomized clinical trial comparing fit-tested and non-fit-tested N95 respirators to medical masks to prevent respiratory virus infection in health care workers. Influenza J. 2010 Dec 3.
https://onlinelibrary.wiley.com/doi/epdf/10.1111/j.1750-2659.2011.00198.x?fbclid=IwAR3kRYVYDKb0aR-su9_me9_vY6a8KVR4HZ17J2A_80f_fXUABRQdhQlc8Wo
M Walker. Study casts doubt on N95 masks for the public. MedPage Today. 2020 May 20.
https://www.medpagetoday.com/infectiousdisease/publichealth/86601
C MacIntyre, Q Wang, et al. A cluster randomized clinical trial comparing fit-tested and non-fit-tested N95 respirators to medical masks to prevent respiratory virus infection in health care workers. Influenza J. 2010 Dec 3.
https://onlinelibrary.wiley.com/doi/epdf/10.1111/j.1750-2659.2011.00198.x?fbclid=IwAR3kRYVYDKb0aR-su9_me9_vY6a8KVR4HZ17J2A_80f_fXUABRQdhQlc8Wo
N Shimasaki, A Okaue, et al. Comparison of the filter efficiency of medical nonwoven fabrics against three different microbe aerosols. Biocontrol Sci. 2018; 23(2). 61-69.
https://www.jstage.jst.go.jp/article/bio/23/2/23_61/_pdf/-char/en
T Tunevall. Postoperative wound infections and surgical face masks: A controlled study. World J Surg. 1991 May; 15: 383-387.
https://link.springer.com/article/10.1007%2FBF01658736
N Orr. Is a mask necessary in the operating theatre? Ann Royal Coll Surg Eng 1981: 63: 390-392.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2493952/pdf/annrcse01509-0009.pdf
N Mitchell, S Hunt. Surgical face masks in modern operating rooms – a costly and unnecessary ritual? J Hosp Infection. 18(3); 1991 Jul 1. 239-242.
https://www.journalofhospitalinfection.com/article/0195-6701(91)90148-2/pdf
C DaZhou, P Sivathondan, et al. Unmasking the surgeons: the evidence base behind the use of facemasks in surgery. JR Soc Med. 2015 Jun; 108(6): 223-228.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4480558/
L Brosseau, M Sietsema. Commentary: Masks for all for Covid-19 not based on sound data. U Minn Ctr Inf Dis Res Pol. 2020 Apr 1.
https://www.cidrap.umn.edu/news-perspective/2020/04/commentary-masks-all-covid-19-not-based-sound-data
N Leung, D Chu, et al. Respiratory virus shedding in exhaled breath and efficacy of face masks Nature Research. 2020 Mar 7. 26,676-680 (2020).
https://www.researchsquare.com/article/rs-16836/v1
S Rengasamy, B Eimer, et al. Simple respiratory protection – evaluation of the filtration performance of cloth masks and common fabric materials against 20-1000 nm size particles. Ann Occup Hyg. 2010 Oct; 54(7): 789-798.
https://academic.oup.com/annweh/article/54/7/789/202744
S Bae, M Kim, et al. Effectiveness of surgical and cotton masks in blocking SARS-CoV-2: A controlled comparison in 4 patients. Ann Int Med. 2020 Apr 6.
https://www.acpjournals.org/doi/10.7326/M20-1342
S Rengasamy, B Eimer, et al. Simple respiratory protection – evaluation of the filtration performance of cloth masks and common fabric materials against 20-1000 nm size particles. Ann Occup Hyg. 2010 Oct; 54(7): 789-798.
https://academic.oup.com/annweh/article/54/7/789/202744
C MacIntyre, H Seale, et al. A cluster randomized trial of cloth masks compared with medical masks in healthcare workers. BMJ Open. 2015; 5(4)
https://bmjopen.bmj.com/content/5/4/e006577.long
W Kellogg. An experimental study of the efficacy of gauze face masks. Am J Pub Health. 1920. 34-42.
https://ajph.aphapublications.org/doi/pdf/10.2105/AJPH.10.1.34
M Klompas, C Morris, et al. Universal masking in hospitals in the Covid-19 era. N Eng J Med. 2020; 382 e63.
https://www.nejm.org/doi/full/10.1056/NEJMp2006372
E Person, C Lemercier et al. Effect of a surgical mask on six minute walking distance. Rev Mal Respir. 2018 Mar; 35(3):264-268.
https://pubmed.ncbi.nlm.nih.gov/29395560/
B Chandrasekaran, S Fernandes. Exercise with facemask; are we handling a devil’s sword – a physiological hypothesis. Med Hypothese. 2020 Jun 22. 144:110002.
https://pubmed.ncbi.nlm.nih.gov/32590322/
P Shuang Ye Tong, A Sugam Kale, et al. Respiratory consequences of N95-type mask usage in pregnant healthcare workers – A controlled clinical study. Antimicrob Resist Infect Control. 2015 Nov 16; 4:48.
https://pubmed.ncbi.nlm.nih.gov/26579222/
T Kao, K Huang, et al. The physiological impact of wearing an N95 mask during hemodialysis as a precaution against SARS in patients with end-stage renal disease. J Formos Med Assoc. 2004 Aug; 103(8):624-628.
https://pubmed.ncbi.nlm.nih.gov/15340662/
F Blachere, W Lindsley et al. Assessment of influenza virus exposure and recovery from contaminated surgical masks and N95 respirators. J Viro Methods. 2018 Oct; 260:98-106.
https://pubmed.ncbi.nlm.nih.gov/30029810/
A Rule, O Apau, et al. Healthcare personnel exposure in an emergency department during influenza season. PLoS One. 2018 Aug 31; 13(8): e0203223.
https://pubmed.ncbi.nlm.nih.gov/30169507/
F Blachere, W Lindsley et al. Assessment of influenza virus exposure and recovery from contaminated surgical masks and N95 respirators. J Viro Methods. 2018 Oct; 260:98-106.
https://pubmed.ncbi.nlm.nih.gov/30029810/
A Chughtai, S Stelzer-Braid, et al. Contamination by respiratory viruses on our surface of medical masks used by hospital healthcare workers. BMC Infect Dis. 2019 Jun 3; 19(1): 491.
https://pubmed.ncbi.nlm.nih.gov/31159777/
L Zhiqing, C Yongyun, et al. J Orthop Translat. 2018 Jun 27; 14:57-62.
https://pubmed.ncbi.nlm.nih.gov/30035033/
C MacIntyre, H Seale, et al. A cluster randomized trial of cloth masks compared with medical masks in healthcare workers. BMJ Open. 2015; 5(4)
https://bmjopen.bmj.com/content/5/4/e006577
A Beder, U Buyukkocak, et al. Preliminary report on surgical mask induced deoxygenation during major surgery. Neurocirugia. 2008; 19: 121-126.
http://scielo.isciii.es/pdf/neuro/v19n2/3.pdf
D Lukashev, B Klebanov, et al. Cutting edge: Hypoxia-inducible factor 1-alpha and its activation-inducible short isoform negatively regulate functions of CD4+ and CD8+ T lymphocytes. J Immunol. 2006 Oct 15; 177(8) 4962-4965.
https://www.jimmunol.org/content/177/8/4962
A Sant, A McMichael. Revealing the role of CD4+ T-cells in viral immunity. J Exper Med. 2012 Jun 30; 209(8):1391-1395.
https://europepmc.org/article/PMC/3420330