County-level vaccination coverage and rates of COVID-19 cases and deaths in the United States: An ecological analysisPlaces with lower vaccination rates had much higher death rates from Covid, not just in the U.S. but globally, too#stats#covid#public-life/diseases#research#health·sciencedirect.com·Sep 9, 2025County-level vaccination coverage and rates of COVID-19 cases and deaths in the United States: An ecological analysis