Hey Skipper - here are some links that might expla
Post# of 36537
"Not as effective as advertised" is because they only "advertised " the relative risk reduction for the vaccines, not the absolute risk reduction. The relative risk reduction is a much bigger number, so that is why they only stressed that number.
Relative risk reductions :
Pfzier - 95.1%
Moderna - 94.1%
Absolute risk reducions:
Pfzier - 0.7%
Moderna - 1.1%
So those numbers, when you look at th absolute risk, explains why we have so many breakthrough cases now. Here is a link to a peer reviewed paper on it: https://www.oyetimes.com/wp-content/uploads/2...-00199.pdf
As far as Delta being less contagious, just go to any online source and look at the number of hospitalizations and deaths compared to positive tests, for this summer compared to last. The NY Times has many charts. And these reductions could not possibly be due to the vaccine, because only 49% of the country is fully vaccinated.