Testing is critical to the City's response to COVID-19. Testing enables us to identify COVID-19 cases. Then, we can begin contact tracing to prevent the spread of the virus. Testing also helps us to support residents who test positive.
Testing data includes tests collected by all medical providers. This includes the City and private providers (like Kaiser, One Medical, or Sutter).
The 7-day rolling average of tests is the average of the total tests collected each day and the prior 6 days. This average shows the trend in testing and smooths out daily fluctuations.
The test positivity rate is the percentage of tests that are positive for COVID-19. This rate shows the spread of COVID-19 in San Francisco. It helps us know if enough testing is being completed.
The 7-day rolling test positivity rate is the running average of the test positivity rate. This shows the trend in test positivity and smooths out daily fluctuations.