The U.S. government announced last month it would ship out more free COVID-19 tests, a batch that appears to have a short shelf life. However, the Food and Drug Administration said it has extended the expiration dates for them. Dr. Amesh Adalja, a senior scholar at the Johns Hopkins Center for Health Security, joins “CBS News Weekender” to discuss if the tests are still accurate and how to tell if they work.
letest update
