COVID-19 pneumonia is still raging around the world, and waves of new mutant strains in epidemic proportions are challenging rapid antigen tests (RAT) based on the principles of immunochromatography. On 28 July 2022, the Statens Serum Institut (SSI) in Denmark published a study that tested the ability of some Danish public authorities procured and used COVID-19 self-testing reagents to detect Omicron BA.4 and BA.5 variants. The Boson Rapid SARS-CoV-2 Antigen Test Card was tested positive at three dilution gradients of 1:10, 1:100 and 1:1000 for three strains of BA.4, BA.5 and the wild-type strain. The clinical report can be viewed through the following links: