cdc.gov
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Geographic Differences in COVID-19 Cases, Deaths, and Incidence — United States, February 12–April 7, 2020
On April 10, 2020, this report was posted online as an MMWR Early Release.CDC COVID-19 Response TeamCommunity transmission of COVID-19 was first detected in the United States in February 2020. By mid-March, all 50 states, the District of Columbia, New York City, and four U.S.