Peter Grove
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And all the science (every study I can find, that was ever ever published) shows that masks do reduce the amount of virus transmission. Now, different studies vary as to exactly how much reduction but there isn't a single study that shows they have no effect whatsoever on the movement of airborne droplets or particles.I'll let the science and logic work for me ...
In several different searches of the medical literature, I wasn't able to find a single study that shows masks cause a quantifiable or scientifically measurable increase in risk. Some people talk about a theoretical risk of modified behaviour or problems from incorrect mask use but again, this is just a presumption - no-one has presented any actual evidence to demonstrate it.
As for logic - that would dictate that even a small reduction of risk is better than no reduction at all.
The most comprehensive study of the efficacy of masks that I've seen, was published by Oxford University just a couple of weeks back. It was based on a study of data from all around the world and its conclusion was that masks work and should be used.
Oxford COVID-19 study: face masks and coverings work – act now | University of Oxford
Cloth face coverings, even homemade masks made of the correct material, are effective in reducing the spread of COVID-19 - for the wearer and those around them - according to a new study from Oxford’s Leverhulme Centre for Demographic Science.
www.ox.ac.uk
Incidentally, saying that for masks to be effective, they'd therefore have to prevent breathing is also illogical (and scientifically incorrect). Air molecules measure approximately 0.3 nanometers, coronavirus particles have a diameter of 80-120 nanometers and respiratory droplets would be even bigger.
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