medical tests

  • Rapid Tests May Be Less Accurate for Omicron, FDA Warns

    Rapid Tests May Be Less Accurate for Omicron, FDA Warns

    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…