Views equals page views plus PDF downloadsAbbreviation: COVID-19 = coronavirus disease 2019.* Incidence = cases per 100,000 population calculated using 2019 U.S.
census population.†Large central metro: counties in metropolitan statistical areas (MSAs) of ≥1 million population that 1) contain the entire population of the largest principal city of the MSA, 2) have the entire population contained in the largest principal city of the MSA, or 3) contain ≥250,000 inhabitants of any principal city of the MSA; Large fringe metro: counties in MSAs of ≥1 million population that did not qualify as large central metro counties; Medium metro: counties in MSAs of 250,000–999,999 population; Small metro: counties in MSAs of 50,000–249,999 population;.