The actual pre-print is here <a href="https://www.medrxiv.org/content/10.1101/2021.07.20.21260795v1.full.pdf" rel="nofollow">https://www.medrxiv.org/content/10.1101/2021.07.20.21260795v...</a><p>Note Panel B on page 27 which shows the vax hesitancy growing only among people with PhDs and professional degree holders.