Ukutholwa okufanelekile nokuhlukaniswa kwamasosha omzimba e-IgM ne-IgG ku-SARS-CoV-2 ku-serum, i-plasma(EDTA, i-sodium citrate ne-lithium heparin) noma igazi eligcwele ngomunwe, izibonelo zegazi eligcwele le-venous ezigulini okusolwa ukuthi zine-COVID-19 ngumhlinzeki wezempilo.
