covid 19 testing

  • 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…


  • China Deploys Anal Swabs For Covid-19 Testing, Says It’s More Accurate

    China Deploys Anal Swabs For Covid-19 Testing, Says It’s More Accurate

    Health authorities in China have deployed anal swab tests to detect covid-19 in the lead up to the Lunar New Year celebrations, according to the Chinese state media outlet the Global Times, a technique that some claim might be more accurate than traditional nasal swabs, throat swabs, and antibody tests. But not everyone is convinced…