I-SARS-cov-2 antign yovavanyo lwekhithi yekhithi yomqala nge-swab kunye ne-nasal swab.Isiphumo sinokufundwa kwimizuzu eli-15 ukuya kwengama-20. Nxibelelana ngakumbi ngeenkcukacha ezithe kratya. IXESHA LOKUQALA: UNv-02-2020