Quote Originally Posted by Moses View Post
Yes, it is. And for now it is only modified adenovirus vaccine against COVID in World with efficacy over 90% and still officially warranted 100% protection against severe sickness.
As far as I’m concerned, the Chinese junk aside, all of these vaccines are as effective as each other in general use within the generally-accepted statistical margin of error.

What I find far more interesting is what’s going to happen this time next year when half the world is yet to get its first jab and the other half is lining up for the inevitable annual booster. None of these vaccines are known to give lifetime immunity.