OKay. So, it was developed and tested for 5 years. Then it was approved by the FDA last year.
The next thing is vaccinated levels. You have to get a population to over 80% vaccinated. Has there been the time to get 80% of any population vaccinated?
Keep in mind the incredible effort we've had to put behind a covid vaccination, and that's with an active pandemic killing thousands every day.
No, there hasn't been "time" for it to make a dent. it's only just become available, and the locations where it's originating don't have fantastic infrastructure to deliver a vaccine at a large scale rapidly.