"FLiRT" COVID variants are now more than a third of U.S. cases. Scientists share what we know about them so far. - CBS News
- "FLiRT" COVID variants are now more than a third of U.S. cases. Scientists share what we know about them so far. CBS News
- What to Know About New Covid Variants, 'FLiRT': Symptoms, Vaccines and More The New York Times
- New COVID variant 'FLiRT': What to know about spread, symptoms USA TODAY
- New COVID ‘FLiRT’ variants show virus isn’t going away The Hill
- New COVID variants are a reminder of coronavirus reality Axios