Tag Archives: COVID-19

CTK Biotech has obtained the CE mark for our OnSite COVID-19 Ag Self Test. CTK will begin shipping this new test to the countries that accept the CE mark this month. The OnSite COVID-19 Ag Self Test is a single-use lateral flow immunoassay for the qualitative detection of SARS-CoV-2 nucleocapsid antigens in nasal swab specimens from individuals suspected of COVID-19..... Read Full Article >

CTK’s OnSite® COVID-19 Ag Rapid Test is on the EU Common List and EU Mutual Recognition List! Our test meets the requirements for both Nasal and Nasopharyngeal specimens for individuals suspected of COVID-19 within the first seven days of the onset of symptoms. The EU Common List requires that rapid antigen tests meet a minimum performance of ≥ 90% sensitivity.... Read Full Article >

In December 2020, CTK shared that we had no reason to believe that the U.K. variant would affect the OnSite COVID-19 Ag Rapid Test’s performance, and we would work on confirmation studies.  Since then, multiple SARS-CoV-2 variants have been circulating globally, which led us to include them in our confirmation studies. The OnSite COVID-19 Ag Rapid Test detects the presence.... Read Full Article >