They said the same about Polio at one time as outbreaks hit every few years.
Timeline | History of Vaccines
And look what happened after the first polio vaccine was released in 1954.
Reported paralytic polio cases and deaths - Our World in Data
My money is on science. And most definitely not on politics unless the goal is to royally screw things up.
The rockfellers infuriated "public" medicine in the first part of the 20th century. "Science" is the new religion and you can bet it's not far from the "money". Look up the corbett report. He has a big expose on the rockefellers and the medical community. But what he lays out will make most people uncomfortable.
I'm a sucker for quotes and i can't remeber who said this one lol
"Millionaire's are too busy making more money but billionaires want to make history."