Originally Posted by
Foxxster
you forgot the other bit..
Pfizer and BioNTech’s Covid-19 vaccine is just 39% effective in Israel where the delta variant is the dominant strain,
And you forgot the bit where the US and UK studies show its 70-88% effective, theres still no cut and dried answers to this sort of the stuff
US studies show intial effecacy of 96% and overtime decreasing to 64%, same range for moderna as well. Both are RDNA, us doesn't use AZ
And heres one from france in peer review atm
https://theconversation.com/covid-st...ll-work-164351
Yes there are less effective against delta but 39% seems a outler compared to others