The propaganda hit MSN, Nature, NYTimes, and many other media outlets and those hit social media (FB, HN, Reddit, etc.)
https://www.msn.com/en-xl/news/other/cubas-covid-vaccine-riv...
https://www.nature.com/articles/d41586-021-01126-4
Really easy to see: https://search.brave.com/search?q=Cuba%27s+COVID+vaccine+riv...
edit: I see the top comment was flagged and deleted.
It violated no rules and was simply pointing out the propaganda that hit the media that I listed above.
Sad state of discourse on this site, regardless of who is moderating, dang or the users who abuse flagging.