>Karen
Happened in early March of this year already, but nonetheless kekworthy.
https://nypost.com/2021/03/04/primates-at-san-diego-zoo-receive-the-covid-19-vaccine/
>sample size could be 3 people for all we know
Where do you get that from?
Why not speak for yourself, and trying to inform yourself before posting might also help.
The authors even list the statistics of their study populations in Tables 1a & 2a of their paper.
pic from: https://www.sciencemag.org/news/2021/08/having-sars-cov-2-once-confers-much-greater-immunity-vaccine-no-infection-parties