In an article February 24, 2021, Los Angeles Times shows a striking mismatch between zip codes rated for vaccination rates and COVID burden. Below, red arrows highlight Santa Monica, with very high vaccination rates and very low COVID history, and South Central LA, with a completely opposite pattern.
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Other articles discussed issuance of "vaccine access codes" specially targeted for new distribution sites opening in low-income areas, but "vaccine tourists" from wealthy zip codes show up with the codes (here, here).
For an update on this topic also from LA Times on Feb 28, here.