Early signs suggest NB.1.8.1 may be more transmissible than earlier variants, likely due to mutations in the spike protein. But there’s no evidence it’s more severe.
    • sqgl@beehaw.org
      1·
      8 days ago

      And false RAT negatives are common but false positive RAT’s are rare but it happened to me once - I followed up a positive RAT with negative PCR.