Fig. 2: Estimates of population susceptibility.
From: Burden and characteristics of COVID-19 in the United States during 2020
a, Estimated evolution of susceptibility to COVID-19 in the United States and five metropolitan areas. Solid lines show median and the area between the dashed lines is the 95% CI. b, c, Estimated susceptibility in 3,142 US counties on 1 August (b) and 31 December (c) 2020. Colour shows median estimate.
