To whom it may concern,
In response to the recent emergence of multiple variants of the novel coronavirus, we, Wuhan Easy Diagnosis Biomedicine Co., Ltd. as the manufacturer of COVID-19 Antigen Rapid Test Kit(Saliva/Swabs) and COVID-19 (SARS-CoV-2) Antigen Test Kit, hereby declare that these products remain effective for the detection of SARS-CoV-2 antigen including the newly discovered variants.
Further more, according to public information, Variants of Concern and Variants of Interest listed by WHO has mutations occured in the spike protein. Since the test principle used in our antigen test kit is to detect the nucleocapsid protein(nucleoprotein or protein N) antigen, which is sensitive to thesevariants, we confirm our products can detect varients as listed below.