https://www.nbcnewyork.com/news/coronavirus/new-cdc-report-confirms-first-covid-cases-in-ny-came-from-europe-other-states/2518796/
Between March 8 and March 15, the number of confirmed cases among New York teenagers under the age of 18 increased. However, due to insufficient detection capabilities for the new coronavirus, these cases were not detected in time. The first case was reported for more than four months After the new crown virus detection is still a problem in most states