期刊
INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
卷 107, 期 -, 页码 201-204出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijid.2021.04.087
关键词
Rapid antigen test; RAT; SARS-CoV-2; RT-PCR; Asymptomatic
资金
- Ministerio de Salud de Chile
- ANID Chile through Fondecyt [1181656, 1190156, 1180798/1211547]
This study compared a SARS-CoV-2 RAT and RT-PCR in 842 asymptomatic individuals from Tarapaca, Chile, reporting RAT might have a significant impact in some regions, especially in situations lacking laboratory conditions or requiring rapid results.
Screening, testing and contact tracing plays a pivotal role in control of the COVID-19 pandemic. To enable this it is necessary to increase the testing capacity. This study compared a SARS-CoV-2 rapid antigen test (RAT) and RT-PCR in 842 asymptomatic individuals from Tarapaca, Chile. A sensitivity of 69.86%, specificity of 99.61%, PPV of 94.44% and NPP of 97.22% with Ct values (Ct > 27) that were significantly higher among individuals with false-negative RAT were reported. These results support the fact that RAT might have a significant impact on the identification of asymptomatic carriers in areas that lack suitable laboratories to perform SARS-CoV-2 real-time RT-PCR diagnostics, or the results take more than 24-48 h, as well as zones with high traffic of individuals such as border/customs, airports, interregional bus, train stations or in any mass testing campaign requiring rapid results. (c) 2021 The Author(s). Published by Elsevier Ltd on behalf of International Society for Infectious Diseases. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-ncnd/4.0/).
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