State of the Nation: A 50-State COVID-19 Survey Report #17: COVID-19 Test Result Times [open pdf - 0B]
From the Key Takeaways: " Average testing times have fallen since April (from 4.0 days to 2.7 days in September);  Across all months, Black respondents wait almost an entire day more than white respondents for their test results (4.4 days to 3.5 days, on average);  In our September and August waves, the average respondent waited 6.2 days between seeking a test and receiving test results; [and 4] Only 56% of those who tested positive for COVID-19 [coronavirus disease 2019] report being contacted as part of a contact tracing attempt[.]"
Report No.17, v.1
Northeastern University; Harvard Medical School; Rutgers University; Shorenstein Center on Media, Politics, and Public Policy; Northwestern University
The State of the Nation, A 50-State COVID-19 Survey: https://covidstates.org/