Covid Antigen Test Boson 5s. Covid-19 Antigen Rapid Self-Test.. Tests for Covid-19 with results available in 15-30 minutes Reliable Self-Test Antigen Test. Easy to use with full instructions contained inside and guidance on results interpretation.. Easy to use, fast, reliable results.. Product description. Covid-19 Antigen Rapid Test. Each box contains 1 test including: swab, testing solution and testing cassette to view results. Each box will also come with detailed instructions in English.