Initial Public Health Response and Interim Clinical Guidance for the 2019 Novel Coronavirus Outbreak — United States, December 31, 2019–February 4, 2020
Anita Patel, Daniel B. Jernigan, Fatuma Abdirizak, Glen R. Abedi et autres
Also on January 31, the president of the United States signed a "Proclamation on Suspension of Entry as Immigrants and Nonimmigrants of Persons who Pose a Risk of Transmitting 2019 Novel Coronavirus," which limits entry into the United States of persons who …
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MMWR Morbidity and Mortality Weekly Report