Case information on COVID-19 Laboratory testing. This data includes a daily count of test results reported, and how many of those were positive, negative, and indeterminate. Reported tests include tests with a positive, negative or indeterminate result. Indeterminate results, which could not conclusively determine whether COVID-19 virus was present, are not included in the calculation of percent positive. Testing for the novel coronavirus is available through commercial, clinical, and hospital laboratories, as well as the SFDPH Public Health Laboratory. More information about the data available here
covid19sf_testsAn object class data.frame with 6 variables
date which case was recorded in YYYY-MM-DD format.
Daily tests count
Number of positive cases
Percentage of positive cases
Number of negative cases
Number of indeterminate cases
San Francisco, Department of Public Health - Population Health Division through San Francisco Opne Data protal website.
A daily COVID-19 testing results report
data(covid19sf_tests)
head(covid19sf_tests)
#> specimen_collection_date tests pos pct neg indeterminate
#> 1 2020-03-01 2 0 0.00000000 2 0
#> 2 2020-03-03 8 2 0.25000000 6 0
#> 3 2020-03-04 12 0 0.00000000 12 0
#> 4 2020-03-06 21 1 0.04761905 20 0
#> 5 2020-03-07 23 7 0.30434783 16 0
#> 6 2020-03-08 12 3 0.25000000 9 0