https://www.cdc.gov/coronavirus/2019-ncov/your-health/covid-by-county.html
https://www.cnbc.com/2022/04/11/-philadelphia-reinstates-indoor-mask-mandate.html
These things are happening at the same time.
The studies that denounce masks as protective far outnumber the ones that presume to promote their protective function. Nearly all the studies that support the narrative that masks work have been published since the Covid propaganda machine went into effect. Fauci and his public health bureaucrats have been caught pushing narrative over scientific exploration.
It’s just superstition now. Politicians and government functionaries are witch doctors more interested in protecting and increasing their power than protecting people. It is becoming more obvious every day.