Comment by BorisEm

2 of the 3 vaccines you mention were not fully developed in the US despite what you insinuate.

Johnson and Johnson was developed by Janssen which is based in the Netherlands and Belgium [1].

And as others have pointed out, Pfizer was developed by BioNTech in Germany [2].

[1] https://en.wikipedia.org/wiki/Janssen_COVID-19_vaccine

[2] https://en.wikipedia.org/wiki/Pfizer%E2%80%93BioNTech_COVID-...