Abstract

To limit SARS-CoV-2 introduction, the United States restricted travel from China on February 2 and from Europe on March 13, 2020 By March 15, community transmission was widespread in New York City (NYC) The NYC Department of Health and Mental Hygiene conducted sentinel surveillance of influenza-like symptoms (ILS) and genetic sequencing to characterize community transmission and determine the geographic origin of SARS-CoV-2 infections Among 544 specimens tested from persons with ILS and negative influenza test results, 36 (6 6%) were positive Genetically sequenced positive specimens most closely resembled sequences circulating in Europe Partnering with health care facilities and establishing systems for sentinel surveillance with capacity for genetic sequencing before an outbreak can inform timely public health response strategies

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