International air passengers trying to enter the US will be required to present a recent negative Covid-19 test, as the country grows increasingly worried about the circulation of new more transmissible variants of the virus.
The Centers for Disease Control and Prevention will require the test result from January 26. After landing, the CDC recommends travellers take a test three to five days later and remain at home for seven days.
Airlines will have to deny boarding to visitors who do not have a negative test result from the previous three days — or documentation that proves they have recovered from the disease.
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