This story is from 10 months ago. The plan was in place then. Bourla, in his bravado, let the cat out of the bag.
"Almost perfect". Hilarious if it wasn't so outrageous.
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January 30, 2021
Pfizer is speeding up research on COVID-19 vaccines because there is a “high possibility” existing shots against the deadly bug won’t be effective in the future.
“It’s a very high likelihood that one day that will happen,” Pfizer CEO Albert Bourla said during a panel at the virtual 2021 Davos World Economic Forum.
Bourla said the company never dreamed its vaccine would be 95 percent effective. “Almost perfect,” he boasted. Pfizer’s shot is one of two versions being offered in New York City.
https://nypost.com/2021/01/30/pfizer-to-speed-up-research-amid-covid-19-mutation-threat/