Volume 27, Number 10—October 2021
Research
Predictors of Test Positivity, Mortality, and Seropositivity during the Early Coronavirus Disease Epidemic, Orange County, California, USA
Figure 7

Figure 7. Three dimensional plot of the smoothed interaction between ZIP code–level median household income and time as a predictor of testing positive for severe acute respiratory syndrome coronavirus 2, Orange County, California, USA, July–August 2020.
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