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That backs up what I'm saying. The cheap masks only stop coughs, they don't stop the aerosols that come out when air is expelled. They aren't protecting the wearer or people around them from aerosol transmission. The aerosols are stopped by properly fitted FFP3 masks, this is what they're...

The masks debate has been a bit of a nonsense for a long time. There's hardly any scientific research behind it, Trish Greenhalgh seems to be the best source of info even though she's completely biased. From what I've read the standard type mask that everyone puts on will only help if you're...

I've got one of these from when I was doing loads of sanding at home. Got to be better than a dodgy bit of cloth.