Study Shows How Mask Wearing INCREASES Infection Risk!
Health authorities and governments knew before the pandemic that there was a proven link between mask wearing and self-infection and that a risk of contamination by viruses from wearing masks was INCREASED. Risks increase the longer a mask is used.
A study from 2019 clearly identifies that respiratory pathogens on the outer surface of the used medical masks may result in self-contamination. Mask wearing is problematic outside of a clinical setting.
Read the full paper below:
Abstract
Background: Medical masks are commonly used in health care settings to protect healthcare workers (HCWs) from respiratory and other infections. Airborne respiratory pathogens may settle on the surface of used masks layers, resulting in contamination. The main aim of this study was to study the presence of viruses on the surface of medical masks.
Methods: Two pilot studies in laboratory and clinical settings were carried out to determine the areas of masks likely to contain maximum viral particles. A laboratory study using a mannequin and fluorescent spray showed maximum particles concentrated on upper right, middle and left sections of the medical masks. These findings were confirmed through a small clinical study. The main study was then conducted in high-risk wards of three selected hospitals in Beijing China. Participants (n = 148) were asked to wear medical masks for a shift (6-8 h) or as long as they could tolerate. Used samples of medical masks were tested for presence of respiratory viruses in upper sections of the medical masks, in line with the pilot studies.
Results: Overall virus positivity rate was 10.1% (15/148). Commonly isolated viruses from masks samples were adenovirus (n = 7), bocavirus (n = 2), respiratory syncytial virus (n = 2) and influenza virus (n = 2). Virus positivity was significantly higher in masks samples worn for > 6 h (14.1%, 14/99 versus 1.2%, 1/49, OR 7.9, 95% CI 1.01-61.99) and in samples used by participants who examined > 25 patients per day (16.9%, 12/71 versus 3.9%, 3/77, OR 5.02, 95% CI 1.35-18.60). Most of the participants (83.8%, 124/148) reported at least one problem associated with mask use. Commonly reported problems were pressure on face (16.9%, 25/148), breathing difficulty (12.2%, 18/148), discomfort (9.5% 14/148), trouble communicating with the patient (7.4%, 11/148) and headache (6.1%, 9/148).
Conclusion: Respiratory pathogens on the outer surface of the used medical masks may result in self-contamination. The risk is higher with longer duration of mask use (> 6 h) and with higher rates of clinical contact. Protocols on duration of mask use should specify a maximum time of continuous use, and should consider guidance in high contact settings. Viruses were isolated from the upper sections of around 10% samples, but other sections of masks may also be contaminated. HCWs should be aware of these risks in order to protect themselves and people around them.
Conflict of interest statement
All authors have completed the Unified Competing Interests form (available on request from the corresponding author) and declare that: AAC had testing of filtration of masks by 3 M for PhD. CRM has held an Australian Research Council Linkage Grant with 3 M as the industry partner, for investigator driven research. 3 M have also contributed supplies of masks and respirators for investigator-driven clinical trials. She has received research grants and laboratory testing as in-kind support from Pfizer, GSK and Bio-CSL for investigator-driven research. The remaining authors declare that they have no competing interests and have no non-financial interests that may be relevant to the submitted work.
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Richard
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“Need for assessing the inhalation of micro(nano)plastic debris shed from masks, respirators, and home-made face coverings during the COVID-19 pandemic” https://pubmed.ncbi.nlm.nih.gov/33065479/
Edinburgh University examination of masks back in 2012 illustrated the the nano particles you breath in are the same shape as asbestos. There are now concerns this could cause cancer.
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Charles Higley
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Interesting that there is no discussion of the fact that these masks DO NOT stop all particles and basically useless against infectious viruses. The assumption that we have to worry about particles on masks surfaces ignores the fact that far from all viruses particles are stopped by a mask. Studies in surgical theaters have shown that, although masks minimize bacterial contamination of surgical sites, the rate of contracting infections viruses in surgical personnel are the same as in the general population. This study needs more qualification.
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Karma Singh
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We used to have a saying at school which had to be pronounced in a heavy pseudo-German accent:-
“Very interesting…. but stupid!”
Obviously, the authors have not yet cottoned onto the news that these particles they call “virus” are in no way inimical and have nothing whatsoever to do with causing any malady.
See https://www.harmonyenergyconsultants.com/web/en/sick-immune.html#main
Blessed be
Karma Singh
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