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The real-time reverse transcription-polymerase chain reaction (RT-PCR) test is regarded as the gold standard for SARS-CoV-2 detection. Proper specimen collection and obtaining a sufficient sample are the most important steps for laboratory diagnosis. The nasopharyngeal (NP) swab is recommended as the reference collection method. However, NP swab collection is invasive and uncomfortable for patients and poses some risk to healthcare workers. This study aimed to compare the efficacy of SARS-CoV-2 RNA detection from used surgical masks with the NP swab method using RT-PCR testing
Proper specimen collection and obtaining sufficient samples are the most important steps for laboratory diagnosis of an infectious disease. Improper collection may lead to false or inconclusive test results. During the early stages of the COVID-19 outbreak, the Center for Disease Prevention and Control recommended collecting and testing an upper respiratory specimen [4]. Nasopharyngeal (NP) and oropharyngeal (OP) swabs are the preferred choice for initial SARS-CoV-2 diagnostic testing.
This study aimed to compare the efficacy of SARS-CoV-2 RNA detection from used surgical masks with standard detection methods. We tested for SARS-CoV-2 RNA in masks from patients with COVID-19 that had been worn for eight hours and compared this with NP swabs using RT-PCR testing. Hospitalized patients with laboratory-confirmed COVID-19 were recruited to provide surgical masks. Collection of used surgical mask samples by patients themselves is easy, convenient, requires no sampling equipment and decreases the risk of healthcare personnel exposure to COVID-19. If SARS-CoV-2 RNA can be detected on used surgical mask samples, this may encourage patients to provide specimens for testing and help in early detection and transmission prevention. As an alternative method to NP swabs, it may facilitate timely diagnosis and treatment.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| SARS-CoV-2 RNA in masks | Experimental | . After the participants had worn the masks for 8 h, the nurse collected the filters and placed each into a viral transport medium (VTM) tube This was placed inside a clean plastic bag, sprayed with alcohol, placed in an icebox and sent to the biomolecular laboratory for real-time RT-PCR SARS-CoV-2 testing. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| SARS-CoV-2 RNA detection | Diagnostic Test | SARS-CoV-2 RNA detection in used mask filters |
|
| Measure | Description | Time Frame |
|---|---|---|
| the efficacy of SARS-CoV-2 RNA detection from used surgical masks | tested for SARS-CoV-2 RNA in masks from patients with COVID-19 that had been worn for eight hours and compared this with NP swabs using RT-PCR testing | 3 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Thananda Trakarnvanich, M.D. | Navamindradhiraj University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| 2 Division of Nephrology,Department of Medicine Pramongkutklao Hospital and College of Medicine,Thailand | Bangkok | 10400 | Thailand |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 32015508 | Result | Wu F, Zhao S, Yu B, Chen YM, Wang W, Song ZG, Hu Y, Tao ZW, Tian JH, Pei YY, Yuan ML, Zhang YL, Dai FH, Liu Y, Wang QM, Zheng JJ, Xu L, Holmes EC, Zhang YZ. A new coronavirus associated with human respiratory disease in China. Nature. 2020 Mar;579(7798):265-269. doi: 10.1038/s41586-020-2008-3. Epub 2020 Feb 3. | |
| 32376603 | Result |
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The data underlying this article are available in figshare 10.6084/m9.figshare.24064218
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To compare the efficacy of SARS-CoV-2 RNA detection from used surgical masks with standard detection methods
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| Gao Q, Bao L, Mao H, Wang L, Xu K, Yang M, Li Y, Zhu L, Wang N, Lv Z, Gao H, Ge X, Kan B, Hu Y, Liu J, Cai F, Jiang D, Yin Y, Qin C, Li J, Gong X, Lou X, Shi W, Wu D, Zhang H, Zhu L, Deng W, Li Y, Lu J, Li C, Wang X, Yin W, Zhang Y, Qin C. Development of an inactivated vaccine candidate for SARS-CoV-2. Science. 2020 Jul 3;369(6499):77-81. doi: 10.1126/science.abc1932. Epub 2020 May 6. |
| 32292635 | Result | Qian Y, Zeng T, Wang H, Xu M, Chen J, Hu N, Chen D, Liu Y. Safety management of nasopharyngeal specimen collection from suspected cases of coronavirus disease 2019. Int J Nurs Sci. 2020 Apr 4;7(2):153-156. doi: 10.1016/j.ijnss.2020.03.012. eCollection 2020 Apr 10. |
| 33091200 | Result | Comber L, Walsh KA, Jordan K, O'Brien KK, Clyne B, Teljeur C, Drummond L, Carty PG, De Gascun CF, Smith SM, Harrington P, Ryan M, O'Neill M. Alternative clinical specimens for the detection of SARS-CoV-2: A rapid review. Rev Med Virol. 2021 Jul;31(4):e2185. doi: 10.1002/rmv.2185. Epub 2020 Oct 22. |