A review of the spread of the coronavirus from its earliest days shows U.S. officials have often been slow to respond or steps behind in halting its spread from overseas travelers.
Critical gaps in travel restrictions and airport screenings have allowed the U.S. crisis to grow to 1,700 infections and 50 deaths. In the weeks before President Donald Trump banned travelers from most of Europe, thousands of people from the region arrived in the U.S., and an untold number carried the virus.
The same can be said of flights from China in the weeks before the U.S. clamped down.
