EARLY RELEASE: Timing of Community Mitigation and Changes in Reported COVID-19 and Community Mobility --- Four U.S. Metropolitan Areas, February 26--April 1, 2020
by from Morbidity and Mortality Weekly Report (MMWR) on (#523A6)
During February 26-April 1, 2020, community mobility (a proxy measure for social distancing) in the metropolitan areas of San Francisco, Seattle, New Orleans, and New York City declined, decreasing with each community mitigation policy issued and as case counts increased.