It’s been a long pandemic, and COVID is still going strong. But along the way, we’ve at least learned a lot of things. Just as we stopped obsessing over hand-washing, there are plenty of other ideas we once had (or still have) about COVID that need to be updated. Here are some of the biggies.
Health officials are warning that rapid COVID-19 tests may be less accurate than before for people infected with the Omicron variant of the coronavirus. At least some antigen-based tests may have reduced specificity when testing for Omicron infections, the Food and Drug Administration reported this week, which could lead to a higher rate of false…