Dijagnostika SARS-CoV-2 infekcije: preliminarni rezultati šest seroloških testova
Tatjana Vilibić-Čavlek
orcid.org/0000-0002-1877-5547
; Department of Virology, Croatian Institute of Public Health, Zagreb, Croatia; School of Medicine, University of Zagreb, Zagreb, Croatia
Vladimir Stevanović
; Department of Microbiology and Infectious Diseases with Clinic, Faculty of Veterinary Medicine University of Zagreb, Zagreb, Croatia
Irena Tabain
orcid.org/0000-0002-2518-522X
; Department of Virology, Croatian Institute of Public Health, Zagreb, Croatia
Ljiljana Perić
; Clinic for Infectious Diseases, Clinical Hospital Center Osijek, Osijek, Croatia; Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
Dario Sabadi
; Clinic for Infectious Diseases, Clinical Hospital Center Osijek, Osijek, Croatia; Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
Željka Hruškar
orcid.org/0000-0002-9078-1773
; Department of Virology, Croatian Institute of Public Health, Zagreb, Croatia
Ljiljana Milašinić
; Department of Virology, Croatian Institute of Public Health, Zagreb, Croatia
Ljiljana Antolašić
; Department of Virology, Croatian Institute of Public Health, Zagreb, Croatia
Maja Bogdanić
; Department of Virology, Croatian Institute of Public Health, Zagreb, Croatia
Vladimir Savić
; Poultry Center, Croatian Veterinary Institute, Zagreb, Croatia
Ljubo Barbić
; Department of Microbiology and Infectious Diseases with Clinic, Faculty of Veterinary Medicine University of Zagreb, Zagreb, Croatia
APA 6th Edition Vilibić-Čavlek, T., Stevanović, V., Tabain, I., Perić, Lj., Sabadi, D., Hruškar, Ž., ... Barbić, Lj. (2020). Diagnosis of SARS-CoV-2 infection: preliminary results of six serology tests
. Infektološki glasnik, 40 (2), 50-54. https://doi.org/10.37797/ig.40.2.2
MLA 8th Edition Vilibić-Čavlek, Tatjana, et al. "Diagnosis of SARS-CoV-2 infection: preliminary results of six serology tests
." Infektološki glasnik, vol. 40, br. 2, 2020, str. 50-54. https://doi.org/10.37797/ig.40.2.2. Citirano 08.03.2021.
Chicago 17th Edition Vilibić-Čavlek, Tatjana, Vladimir Stevanović, Irena Tabain, Ljiljana Perić, Dario Sabadi, Željka Hruškar, Ljiljana Milašinić, et al. "Diagnosis of SARS-CoV-2 infection: preliminary results of six serology tests
." Infektološki glasnik 40, br. 2 (2020): 50-54. https://doi.org/10.37797/ig.40.2.2
Harvard Vilibić-Čavlek, T., et al. (2020). 'Diagnosis of SARS-CoV-2 infection: preliminary results of six serology tests
', Infektološki glasnik, 40(2), str. 50-54. https://doi.org/10.37797/ig.40.2.2
Vancouver Vilibić-Čavlek T, Stevanović V, Tabain I, Perić Lj, Sabadi D, Hruškar Ž i sur. Diagnosis of SARS-CoV-2 infection: preliminary results of six serology tests
. Infektološki glasnik [Internet]. 2020 [pristupljeno 08.03.2021.];40(2):50-54. https://doi.org/10.37797/ig.40.2.2
IEEE T. Vilibić-Čavlek, et al., "Diagnosis of SARS-CoV-2 infection: preliminary results of six serology tests
", Infektološki glasnik, vol.40, br. 2, str. 50-54, 2020. [Online]. https://doi.org/10.37797/ig.40.2.2
Sažetak Najznačajnija primjena seroloških testova u dijagnostici COVID-19 je u svrhu procjene proširenosti bolesti u populaciji. Međutim, imunotestovi mogu poslužiti kao dodatni dijagnostički postupak, posebice kod bolesnika s podatkom o izloženosti COVID-19 i prisutnim kliničkim simptomima, kod kojih je rezultat RT-PCR testa bio negativan. U ovome smo radu analizirali preliminarne rezultate šest seroloških testova za dijagnostiku SARS-CoV-2. Korištena su tri 'point-of care' imunokromatografska testa (POC): ACRO, AMP i ENCODE te tri imunoenzimska testa (DiaPro, Vircell i Euroimmun). Testirano je ukupno 15 uzoraka seruma bolesnika s COVID-19 infekcijom i 15 uzoraka seruma asimptomatskih osoba. Vrijeme uzorkovanja kod bolesnika s COVID-19 iznosilo je 4 – 10 dana (N=4), 11 – 19 dana (N=6) te 20 – 34 dana (N=5) od početka bolesti. Svi su početno reaktivni rezultati potvrđeni testom neutralizacije virusa (VNT). Kod bolesnika s COVID-19 (N=15), učestalost detekcije IgM/IgA protutijela iznosila je 9/60,0% (ACRO), 11/73,3% (AMP, ENCODE, Euroimmun), 12/80,0% (DiaPro) te 13/86,6% (Vircell). Učestalost detekcije IgG protutijela iznosila je 10/66,6% (AMP, Euroimmun) te 11/73,3% (ostali testovi). Ovisno o vremenu uzorkovanja, učestalost detekcije protutijela iznosila je: a) 4-10. dana: 1/25,0% i 2/50,0% (IgM/IgA i IgG); 11-19. dana: 4/66,6%-6/100% (IgM/IgA), 4/66,6% i 5/83,3% (IgG; c) 20-34. dana: 4/80,0% i 5/100% (IgM/IgA), 5/100% (IgG). U jedne asimptomatske osobe s dokazanim IgM/IgA protutijelima testom ACRO, DiaPro i Vircell potvrđena su neutralizacijska protutijela. U skupini seronegativnih asimptomatskih osoba dokazanih VNT testom (N=14), negativan nalaz IgM/IgA je nađen u 12/85,7% (ACRO), 13/92,8% (DiaPro, Vircell) i 14/100% (AMP, ENCODE, Euroimmun) uzoraka, dok je negativan nalaz IgG dokazan kod 13/92,8% (ACRO) te 14/100% (ostali testovi) uzoraka. ELISA testovi pokazali su višu osjetljivost detekcije IgM/IgA protutijela u usporedbi s POC testovima, dok je osjetljivost detekcije IgG protutijela bila podjednaka u POC i ELISA testovima.