New Study Destroys Slave Mask Nazis

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By Greg Piper

Researchers in “gold standard” collaboration struggle to find benefit from surgical over no masks, or N95 respirators over surgical. Findings buoy warnings by PPE expert that even “perfect rate of capture” by N95s can’t stop COVID transmission.
 
An international research collaboration that reviewed several dozen rigorous studies of “physical interventions” against influenza and COVID-19 through last year failed to find even a modest effect on infection or illness rates from masks of all qualities.
 
Published in the peer-reviewed Cochrane Database of Systematic Reviews, run by the British evidence-based medicine charity Cochrane, the study raises new doubts about ongoing mask mandates and public health recommendations worldwide.
 
The CDC is still recommending masking in areas with “high” transmission levels — fewer than 4% of U.S. counties — as well as indoor masking to protect high-risk contacts in “medium” counties (27%).
 
Masks are still required in educational institutions in Democratic strongholds such as New York, New Jersey, Massachusetts, Pennsylvania, Washington and California, according to the Daily Mail. Boston Public Schools denied its “temporary masking protocol” in early January was a “mandate,” following a public letter against the policy by student Enrique Abud Evereteze.
 
South Korea is still requiring masks on public transport and in medical facilities after dropping COVID mandates in most indoor settings, including gyms, Monday, Reuters reported.
 
The researchers for the Cochrane study are affiliated with a geographically disparate range of institutions in the U.K., Canada, Australia, Italy and Saudi Arabia. Half are affiliated with the Institute for Evidence-Based Healthcare at Australia’s Bond University. The corresponding author is the University of Calgary’s John Conly.
 
Unlisted author Carl Heneghan, director of the Centre for Evidence-Based Medicine at the University of Oxford, gave a brief summary of the study population and findings on Twitter.
 


 
The team added 11 new randomized controlled trials and “cluster-RCTs,” which randomize groups of subjects rather than individuals, to its prior review from November 2020, for a total of 78 studies. The additions included COVID pandemic trials: two from Mexico and one each from England, Norway, Denmark and Bangladesh, the latter two well known internationally.
 
The Danish study had trouble finding a major journal willing to publish its controversial findings that wearing surgical masks had no statistically significant effect on infection rates, even among those who claimed to wear them “exactly as instructed.”
 
Mainstream media overlooked red flags in the Bangladeshi mask study, which found no effect for surgical masks under age 50 and a difference of only 20 infections between control and treatment groups among 342,000 adults.
 
Cochrane itself had a spat with Instagram in November 2021 over sharing purported COVID misinformation, even though the group does not accept “commercial or conflicted funding” and its funding partners include the U.S. National Institutes of Health and U.K. National Institute for Health and Care Research.
 


 
The updated Cochrane review included 10 cluster RCTs in the “community” and two with healthcare workers totalling about 290,000 participants, comparing the effect of surgical versus no masks.
 
They measured risk ratios, which below 1 means the intervention improved the outcome and above 1 worsened it. The closer to 1, the less effect it had.
 
In the community, mask-wearing “probably makes little to no difference” in either influenza-like or COVID-like illness (0.95) or “laboratory-confirmed” infections of either virus (1.01). While the confirmed-infections finding had a much wider confidence interval, the team called both these results “moderate-certainty evidence.”
 
Researchers had more trouble determining the effect of respirators such as N95s — which the CDC only recommended two years into the pandemic — versus surgical masks. Five studies (four healthcare and one household), with a total of 16,000 participants, found a risk ratio of 0.70 for “clinical respiratory illness” but deemed it “very low-certainty evidence,” with a wide confidence interval. The RR was 0.82 for influenza-like illness, deemed “low-certainty” with a smaller confidence interval.
 
They were more confident in results for respirators versus surgical masks on lab-confirmed influenza: RR of 1.10 among the 8,400 participants in those trials, and no difference when the household trial was excluded.
 


 
Former White House COVID adviser Michael Osterholm tried to discredit one of the studies in the respiratory-surgical review, led by researchers at Canada’s McMaster University, when it was published in December in the Annals of Internal Medicine.
 
An expert on personal protective equipment and regulatory compliance, who warned colleges nearly two years ago their mask mandates violated disability integration law, told Just the News she has reviewed many of the RCTs the Cochrane team studied.
 
Megan Mansell said she expects to keep seeing “unreasonable responses when a decent RCT is published.” She cited her interactions with critics of the McMaster study, whose “primary complaint is that the individuals weren’t monitored for N95 compliance 24/7, which is both outside of the terms of safe wear for the apparatus and wholly unreasonable.”

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