The SARS-CoV-2 antigen rapid test is a significant measure to the massive screening for COVID-19, especially in detecting faster-spreading Omicron variants, moreover, it can help more people get tested in time. According to an authoritative report published by the Statens Serum Institut (SSI) in Denmark on 28 July 2022, Flowflex SARS-CoV-2 Antigen Rapid Test (Self-Testing), manufactured by ACON Biotech, performed well in the clinic studies to detect the Omicron BA.4 and BA.5 variants on a comparable level with the wild-type (Index).

https://en.ssi.dk/-/media/arkiv/subsites/covid19/diagnostik/afprvning-af-sarscov2-antigen-tests-for-pvisning-af-nye-varianter-i-dk-omikron-ba4-og-ba5.pdf?la=en