US CDC data on weekly deaths in Arizona (panel A), Florida (panel B), Minnesota (panel C), and Wisconsin (panel D) with overlay of the approximate survey periods. Note the different y-axis scales. Surveys were conducted from May 4–May 25, 2020 (survey 1), October 26–November 9, 2020 (survey 2), May 10–June 6, 2021 (survey 3), and September 27–November 5, 2022 (survey 4). This study was based on results from surveys 3 and 4. Data from US CDC [43].