The study was carried out to evaluate and compare analytical characteristics of reagents kits for identification of antigens of rotaviruses SD BIOLINE Rotavirus (Standard Diagnostics, Korea), RIDA Quick Rotavirus (R-biopharm AG, Germany), RotaStick One-Step Test (Novamed Ltd., Israel), QuickStripe Rotavirus (Savyon doagnostics Ltd., Israel), Rotavirus-antigen-IFA-BEST (Vector-Best, the Russian Federation), Rota-antigen (NPP AKVAPAST, the Russian Federation). The panel included 84 positive and 43 negative samples of rotaviruses group A according their content. The reagents kit "Amplisense OKI screen-FL" with confirming [P]G typing of positive samples was used for comparison. The comparison of analytical sensitivity of reagents kits was implemented on panel characterized by using technique of droplet digital polymerase chain-reaction. The indicators of diagnostic sensitivity and specificity of reagents kits amounted to 84.52% and 100%for SD BIOLINE Rotavirus and RIDA Quick Rotavirus, 71.43% and 100% for RotaStick One-Step Test, 75.00% and 100%for QuickStripe Rotavirus, 83.33% and 100% for Rotavirus-antigen-FA-BEST, 83.33% and 100%for Rota-antigen. The analytical sensitivity of immunochromatographic and immunoenzyme kits amounted to 5 x 106 GE/ml for [P]8G4 genotype of rotaviruses of group A. The reagents kits SD BIOLINE Rotavirus, RIDA Quick Rotavirus and Rotavirus-antigen-IFA-BESTdemonstrated matched high indicators of diagnostic sensitivity and specificity sufficient for etiological diagnostic of rotavirus infection at acute stage of disease. The analytical sensitivity of compared kits does not allow recommending them to apply in analysis of samples characterized by lower concentrations of rotaviruses (asymptomatic agents, objects of environment).
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