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Originally Posted by papa smurf
3 jabs /masks /sanitizing /vaccine passports /blaah blaah blaah .............somethings not working and it's not the brakes on an old jalopy
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None of them are 100% effective.
I think the stats against Delta show that 3 doses are 95% effective against infection. Omicron may well be less - there was a suggestion of 40% but this fact isn't yet known. That will put protection to a similar level as 2 doses against Delta.
Masks only have any effect at all on people who have the virus, and ultimately as people who have the virus, have symptoms, and have tested positive should be isolating, it's really only those who haven't tested positive and don't have symptoms i.e. those who don't realise who it works on, and the effect is to protect others from the person who's wearing them. Even then that protection isn't going to be perfect as (less so for surgical masks) the face coverings people tend to wear made out of paper or cloth will presumably still let a fair amount through.
Sanitising is to stop you getting virus on your hands and touching other things, if you can't wash them. It's useful but let's not forget it doesn't kill all viruses.
Vaccine passports don't really prove a great deal in terms of not letting people into a setting if they don't have covid. But, as it reduces transmission by being vaccinated, like everything else it slows it down.