Hona joale mofuta oa XBB 1.5 oa hlanya har'a lefats'e. Bareki ba bang ba na le pelaelo ea hore na tlhahlobo ea rona e potlakileng ea antigen ea covid-19 e ka lemoha mofuta ona kapa che.

Spike glycoprotein e teng holim'a novel coronavirus 'me e fetoha habonolo joalo ka Alpha variant (B.1.1.7), Beta variant (B.1.351), Gamma variant (P.1), Delta variant (B.1.617), Omicron variant (B.1.1.529), Omicron variant(XBB1.5) joalo-joalo.
Viral nucleocapsid e entsoe ka nucleocapsid protein (N protein for short) le RNA. Protheine ea N e batla e tsitsitse, karolo e kholo ka ho fetisisa ea liprotheine tsa sebopeho sa kokoana-hloko le kutloisiso e phahameng ha e fumanoa.
E ipapisitse le likarolo tsa protheine ea N, antibody ea Monoclonal ea protheine ea N khahlano le bukana
coronavirus e khethiloe ho nts'etsopele le moralo oa sehlahisoa sa rona se bitsoang "SARS-CoV-2 Antigen Rapid Test (Colloidal Gold)" e reretsoeng ho lemoha boleng ba SARS-CoV-2 Antigen mefuteng ea nasal swab in vitro ka ho lemoha N protheine.
Ka mantsoe a mang, mofuta oa hona joale oa spike glycoprotein mutant ho kenyelletsa XBB1.5 ha o ame sephetho sa tlhahlobo.
Ka hona, ea ronaSars-Cov-2 Antigene ka bona XBB 1.5