Description
TestNOW® – COVID-19 / Influenza A+B Antigen Duo Test is a rapid in vitro immunochromatographic assay for the qualitative detection of both SARS-CoV-2 virus antigen and Influenza A&B antigen present in human anterior nares or nasopharynx. The test is intended for professional and laboratory use as an aid in the rapid and early diagnosis of SARS-CoV-2 virus and/or Influenza A & B infections with Visual Result reading. According to CDC’s guidance, COVID-19 antigen test has the best sensitivity from day 1 to day 5 after the onset of symptoms. Antigen levels in specimens collected beyond 5-7 days of the onset of symptoms may drop below the limit of detection of the test.