Makefile curls past links that I found from webarchive.
bloomberg/ contains the contents of script#dvz-data-cave that I got from the 2021-02-17 webarchive and on the day 2021-04-06.
Other data files
kff_raw_data.csv: Downloaded from KFF: COVID-19 Vaccinations by Race/Ethnicity. Latest data available at time of download was 4/5/2021. Includes data across all states and territories on 3/1, 3/15, 3/29, and 4/5.