It has been known since before this article was posted on the CDC website in May 2020, that:
"Although mechanistic studies support the potential effect of hand hygiene or face masks, evidence from 14 randomized controlled trials of these measures did not support a substantial effect on transmission of laboratory-confirmed influenza. We similarly found limited evidence on the effectiveness of improved hygiene and environmental cleaning." (PDF)
So why are MPs and businesses mandating that the population wear them?
To illustrate the outcome of the 14 trials above, watch the effectiveness of mask as shown by a doctor smoking through various types of face masks in the video below:
Shortened version here (3mins)
NB: As confirmed by John Penrose MP As of 19 March 2020 (the week before lockdown a year ago), COVID-19 is no longer considered to be a high consequence infectious disease (HCID) in the UK (see Blog)
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See also:
- Face Covering Update
- COVID19 and COVID1984 information
- BeInvolved blogs
- Plastics Information
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