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Politics : Formerly About Advanced Micro Devices
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To: Wharf Rat who wrote (1309734)7/28/2021 1:27:27 PM
From: Broken_Clock1 Recommendation

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Winfastorlose

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Suggestions are science?

This is from your link:

Cochrane ( 7) and the World Health Organization ( 8) both point out that, for population health measures, we should not generally expect to be able to find controlled trials, due to logistical and ethical reasons, and should therefore instead seek a wider evidence base. This issue has been identified for studying community use of masks for COVID-19 in particular ( 9). Therefore, we should not be surprised to find that there is no RCT for the impact of masks on community transmission of any respiratory infection in a pandemic.

Only one observational study has directly analyzed the impact of mask use in the community on COVID-19 transmission. The study looked at the reduction of secondary transmission of SARS-CoV-2 in Beijing households by face mask use ( 10). It found that face masks were 79% effective in preventing transmission, if they were used by all household members prior to symptoms occurring. The study did not look at the relative risk of different types of mask.

Perhaps that info needs to be updated comrade.

Published: November 18, 2020
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The Danish randomized controlled trial on the real-world efficacy of face masks against coronavirus infection – the first of its kind – has now been published in the Annals of Internal Medicine. As expected, the trial found no statistically significant benefit of wearing a face mask. The study used “high-quality surgical masks with a filtration rate of 98%”.

For political reasons, three major journals had previously refused to publish the Danish study.

Meanwhile, US researcher Yinon Weiss has updated his charts on mask mandates and coronavirus infections in various countries and US states. The charts indicate that mask mandates have made no difference, or may even have been counterproductive.

People who want to avoid a coronavirus infection must avoid situations in which they can get infected. If they cannot avoid such situations, and if they belong to a high-risk group, they should discuss prophylactic and early treatment options with their doctor, which according to international studies may reduce the risk of severe disease and hospitalization by up to 90%.

The Danish study: Effectiveness of Adding a Mask Recommendation to Other Public Health Measures to Prevent SARS-CoV-2 Infection in Danish Mask Wearers. A Randomized Controlled Trial. AIM 2020.
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