Horowitz: CDC study: 85% of COVID-19 cases in July were people who often or always wear masks
Physical interventions to interrupt or reduce the spread of respiratory viruses
“The pooled results of randomised trials did not show a clear reduction in respiratory viral infection with the use of medical/surgical masks during seasonal influenza. There were no clear differences between the use of medical/surgical masks compared with N95/P2 respirators in healthcare workers when used in routine care to reduce respiratory viral infection. ”
“There is moderate certainty evidence that wearing a mask probably makes little or no difference to the outcome of laboratory-confirmed influenza compared to not wearing a mask”
Study article: https://pubmed.ncbi.nlm.nih.gov/33215698/
Source: https://ncbi.nlm.nih.gov/pmc/articles/PMC10112860/
Disposable surgical face masks for preventing surgical wound infection in clean surgery
“We included three trials, involving a total of 2106 participants. There was no statistically significant difference in infection rates between the masked and unmasked group in any of the trials”
Study article: https://pubmed.ncbi.nlm.nih.gov/27115326/
Face seal leakage of half masks and surgical masks
“The filtration efficiency of the filter materials was good, over 95%, for particles above 5 micron in diameter but great variation existed for smaller particles.
Coronavirus is 0.125 microns. therefore these masks wouldn’t protect you from the virus”
Study article: https://pubmed.ncbi.nlm.nih.gov/4014006/
VIDEO on Virus Size:
Aerosol penetration through surgical masks
“Although surgical mask media may be adequate to remove bacteria exhaled or expelled by health care workers, they may not be sufficient to remove the submicrometer-size aerosols containing pathogens ”
Study article: https://pubmed.ncbi.nlm.nih.gov/1524265/
The efficacy of standard surgical face masks: an investigation using “tracer particles”
“Since the microspheres were not identified on the exterior of these face masks, they must have escaped around the mask edges and found their way into the wound”. Human albumin cells, aka aborted fetal tissue, is much larger than the virus and still escaped the mask.
Study article: https://pubmed.ncbi.nlm.nih.gov/7379387/
Significantly more likely to experience headaches:
N95-masked health-care workers (HCW) were significantly more likely to experience headaches. Face mask use in HCW was not demonstrated to provide benefit in terms of cold symptoms or getting colds. Cowling, B. et al. (2010) “Face masks to prevent transmission of influenza virus: A systematic review”, Epidemiology and Infection, 138(4), 449-456. doi:10.1017/S0950268809991658 https://www.cambridge.org/core/journals/epidemiology-and-infection/article/facemasks-to-prevent-transmission-of-influenza-virus-a systematicreview/64D368496EBDE0AFCC6639CCC9D8BC05
Airborne coronavirus particle (<0.125 micron) will pass directly through a N95 face mask.
Study article: https://www.greenmedinfo.com/article/airborne-coronavirus-particle
SIZE OF THE CORONAVIRUS: Size can vary but all are smaller than 0.3 micron .
“Human coronaviruses measure between 0.1 and 0.2 microns, which is one to two times below the cutoff” This “cut off” is referring to the size an N95 mask can trap. Most of us, are not using MEDICAL or regular N95s.
Preliminary report on surgical mask induced deoxygenation during major surgery
Face mask side effects include lowered oxygen levels.
This study proved that surgeons that wore a mask in surgery for an hour + had significant reductions in blood oxygen saturation.
This is relevant because most of us are being made to wear face masks at work for the whole shift, long journeys on public transport, and when we are in a public places doing shopping etc. and this requires a degree of exertion that is not taken into account.
“Considering our findings, pulse rates of the surgeon’s increase and SpO2 decrease after the first hour.”
Decreasing oxygen and increasing carbon dioxide in the bloodstream stimulates a compensatory response in the respiratory centers of the brain. These changes in blood gases result in increases in both frequency and depth of breaths. This exposes another risk – if your mask traps some virus you are breathing more hence increasing viral load and exposure.
https://www.sciencedirect.com/science/article/abs/pii/S1130147308702355?via%3Dihub
Study article: https://pubmed.ncbi.nlm.nih.gov/18500410/
Respiratory consequences of N95-type Mask usage in pregnant healthcare workers-a controlled clinical study
The benefits of using N95 mask to prevent serious emerging infectious diseases should be weighed against potential respiratory consequences associated with extended N95 respirator usage.
“Study article: https://pubmed.ncbi.nlm.nih.gov/26579222
“It is known that the N95 mask, if worn for hours, can reduce blood oxygenation as much as 20 percent, which can lead to a loss of consciousness, as happened to the hapless fellow driving aroundalone in his car wearing an N95 mask, causing him to pass out, crash his car and sustain injuries. I am sure that we have several cases of elderly individuals or any person with poor lung function passing out, hitting their head. This, of course, can lead to death”
“CONCLUSIONS: Breathing through N95 mask materials have been shown to impede gaseous exchange and impose an additional workload on the metabolic system of pregnant healthcare workers,and this needs to be taken into consideration in guidelines for respirator use”
Yet we force pregnant women to use them…? What could this do to the fetus?
The adverse skin reactions of health care workers using personal protective equipment for COVID-19
Face mask side effects include adverse skin reactions
The adverse skin reactions of health care workers using personal protective equipment for COVID-19
Study article: https://pubmed.ncbi.nlm.nih.gov/32541493/
When You Wear A Face Mask Every Day, This Is What Happens To Your Lungs
Mask use can trigger allergies due to the mask collecting particles that stay on you for long periods of time.
https://www.thelist.com/214073/when-you-wear-a-face-mask-every-day-this-is-what-happens-to-your-lungs/
Virus interactions with bacteria: Partners in the infectious dance
Bacteria and viruses can interact an increase infection suseptability:
https://journals.plos.org/plospathogens/article?id=10.1371/journal.ppat.1008234
Meta-Analysis of 65 Studies Reveals Face Masks Induce Mask-Induced Exhaustion Syndrome
Source: https://principia-scientific.com/65-studies-reveals-face-masks-do-cause-physical-harm
Brian Ference is an Independent Journalist and Citizen Reporter covering Politics in Arizona.
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