This is an informative chart that definitely contributes to the discussion. Without any clue where it comes from, though, I have no way to gauge its credibility.
I'm curious on how that translates in population density? The US is (on average) a fair bit lower in density compared to other countries, and still had atrocious numbers for Covid
Do those three countries count as developed? The author could be relying on that qualifier. As a U.S. citizen, I would rather be compared to places like France, Germany, Japan, etc. than them (no offense ment, but we're talking about aspirations).