A measure that would require all passengers arriving to the United States to have a negative result on a test carried out no later than three days before their departure is the last obstacle to the Dominican tourism industry’s recovery. A viral test (NAAT or antigen test) is required to determine if the person is currently infected with Covid-19 for those entering the US as of 26 January 2021.
Travelers are also urged to contact their airlines to ensure they are in compliance with the new rule before attempting to travel.
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CDC
15 January 2021