Mask Mandates, Business Closures Led to 75% Drop in Coronavirus Infections in Arizona

FRIDAY, Oct. 9, 2020 (HealthDay News) -- Coronavirus cases in Arizona fell 75% after cities made masks mandatory and businesses such as bars and gyms were closed, the U.S. Centers for Disease Control and Prevention says.

Infections in the state -- which had one of the world's worst coronavirus outbreaks over the summer -- peaked after stay-at-home orders were lifted, the Washington Post reported.

After an executive order banning communities from imposing mask mandates was rescinded in mid-June, most cities immediately introduced mandatory mask use in public, which affected about 85% of the state's population.

The study said the number of daily new coronavirus cases stabilized about two weeks later, around the time that bars, gyms, water parks and movie theaters were closed, and the 7-day average of new cases fell 75% from July 13 to Aug. 7, the Post reported.

The study was published Thursday in the CDC's Morbidity and Mortality Weekly Report.

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