False-Positive Results in Rapid Antigen Tests for SARS-CoV-2

Abstract

Concerns have been raised whether rapid antigen tests for SARS-CoV-2 can result in false-positive test results 1,2 and undermine pandemic management for COVID-19. This study investigated the incidence of false-positive results in a large sample of rapid antigen tests used to serially screen asymptomatic workers throughout Canada.