While most people will clear the virus and get a negative antigen test result within 10 days, some people may keep testing positive for longer than that, experts tell TODAY.com. And if you keep ...

Positive antigen test results are accurate and reliable, but they are less likely to detect the virus than NAAT tests, especially when symptoms are not present. Therefore, a single negative antigen ...

or a negative antigen test two days before their arrival in the country. In addition to that, these travelers will be mandated to remain in isolation for seven days from the date of the test.