[quote EarringsandLipstick]@Vintagevixen
Realistically there is no proof either way because the studies are so poor
You're wrong.
It's clear that you didn't read the linked article, or the Full Fact links, including to the WHO Myth Busters site.
These are reliable sources, by scientific & public health experts.
You're just spouting off nonsense due to, I can only surmise, laziness. Otherwise, why not read the article?
In that article, it's not only based on evidence re Covid, it looks at behavioural patterns around other public health initiatives and extrapolates accordingly. A known & accepted scientific method
You don't appear to understand research (or science). [/quote]
I had a look.
The quality of evidence is really poor - a lab based study where people stand still and provide breath samples/tested for viral loads in a lovely clean sterile calm environment in presumably masks that are hospital grade.
Very different to community use - those results cannot be extrapolated to community situations.
Yes I do understand how to interpret scientific studies - have a masters and been an ICU nurse for over 20 years so it's part of my job.
Masks. are an orthodoxy you are not allowed to question - I also understand that!