Performance of two rapid antigen tests against SARS-CoV-2 in neighborhoods of socioeconomic vulnerability from a middle-income country.
Diana ZeballosLaio MagnoThais Aranha RossiFabiane SoaresJony Arrais Pinto JuniorOrlando FerreiraCarina Carvalho Dos SantosJoice Neves Reis PedreiraThiago Silva TorresValdilea G VelosoInês DouradoPublished in: PloS one (2024)
Sensitivity for both Ag-RDT was lower than reported by manufacturers. In the stratified analysis, sensitivity was higher among those with lower CT values <24. Specificity was high for both rapid antigen tests. Both Ag-RDT showed to be useful for rapid diagnostic of potential cases of COVID-19. Negative results must be assessed carefully according to clinical and epidemiological information.