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Andrew Rambaut/University of Edinburgh and Jeffrey Joy/University of British Columbia This schematic map shows early and apparently "dead-end" introductions of SARS-CoV-2 to Europe and the US (dashed arrows). Successful dispersals between late January and mid-February are shown with solid arrows: from Hubei Province, China to Northern Italy; from China to Washington state; and later, from Europe (as the Italian outbreak spread more widely) to New York City and from China to California.