Performance of at-home self-collected saliva and nasal-oropharyngeal swabs in the surveillance of COVID-19.
J Oral Microbiol
; 13(1): 1858002, 2020 Dec 09.
Article
in English
| MEDLINE | ID: covidwho-1573905
ABSTRACT
Background:
SARS-CoV-2 quickly spreads in the worldwide population, imposing social restrictions to control the infection, being the massive testing another essential strategy to break the chain of transmission.Aim:
To compare the performance of at-home self-collected samples - saliva and combined nasal-oropharyngeal swabs (NOP) - for SARS-CoV-2 detection in a telemedicine platform for COVID-19 surveillance. Material andmethods:
We analyzed 201 patients who met the criteria of suspected COVID-19. NOP sampling was combined (nostrils and oropharynx) and saliva collected using a cotton pad device. Detection of SARS-COV-2 was performed by using the Altona RealStar® SARS-CoV-2 RT-PCR Kit 1.0.Results:
There was an overall significant agreement (κ coefficient value of 0.58) between saliva and NOP. Considering results in either sample, 70 patients positive for SARS-CoV-2 were identified, with 52/70 being positive in NOP and 55/70 in saliva. This corresponds to sensitivities of 74.2% (95% CI; 63.7% to 83.1%) for NOP and 78.6% (95% CI; 67.6% to 86.6%) for saliva.Conclusion:
Our data show the feasibility of using at-home self-collected samples (especially saliva), as an adequate alternative for SARS-CoV-2 detection. This new approach of testing can be useful to develop strategies for COVID-19 surveillance and for guiding public health decisions.
Full text:
Available
Collection:
International databases
Database:
MEDLINE
Language:
English
Journal:
J Oral Microbiol
Year:
2020
Document Type:
Article
Affiliation country:
20002297.2020.1858002
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