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Epidemiologia e Serviços de Saúde
Print version ISSN 1679-4974On-line version ISSN 2237-9622
Abstract
GUIMARAES, Nathalia Sernizon et al. Self-collected nasopharyngeal swab and molecular test using pool testing as strategies to detect severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2): feasibility in medical students at the Universidade Federal de Minas Gerais, Brazil, 2021. Epidemiol. Serv. Saúde [online]. 2022, vol.31, n.1, e2021409. Epub Mar 22, 2022. ISSN 1679-4974. http://dx.doi.org/10.1590/s1679-49742022000100002.
Objective
To show the feasibility of the combined use of self-collected nasopharyngeal swab and pool testing to detect SARS-CoV-2 in epidemiological surveys.
Methods
This experience included a sample of 154 students at the Universidade Federal de Minas Gerais, who performed self-collected nasopharyngeal swab in individual cabins and without supervision. The molecular test was performed using the pool testing technique.
Results
It took each person 5 minutes to collect the sample. An analysis was performed to detect endogenous RNA in 40 samples. The results showed that there were no failures resulting from self-collection. None of the pools detected the presence of viral RNA. The cost of molecular testing (RT-PCR), by pool testing, with samples obtained by self-collection was about ten times lower than the usual methods.
Conclusion
The strategies that were investigated proved to be economically feasible and valid for the research on SARS-CoV-2 in epidemiological surveys.
Keywords : COVID-19; Epidemiological Surveys; Pandemics; RT-PCR; SARS-CoV-2.
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