Tweet from Bob_Wachter at October 18, 2021 at 05:22PM
All US regions–hi & lo vax–now have similar case rates. Delta’s hi Ro is likely creating relatively = population immunity (⬆vax/⬇cases≊⬇vax/⬆cases). If so, problem is ⬆vax regions will get boosters, while places w/ hi case-derived immunity will get progressively vulnerable. https://t.co/oZXUlWJ72J
— Bob Wachter (@Bob_Wachter)
Oct 19, 2021
from http://twitter.com/Bob_Wachter