California has been under a strict mask mandate sine June 18. How has it helped them?
Here's some data to show just how ineffective the California mask mandate has been:
The cumulative number of new cases the fist week of the mandate compared to the last week:
June 18 - 24 = 32,485
August 5 - 11 = 58,532
Source: https://www.worldometers.info/coronavirus/usa/california/