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SARS-CoV-2 detection in setting of viral swabs scarcity: Are MRSA swabs and viral swabs equivalent?
Federman, Daniel G; Gupta, Shaili; Stack, Gary; Campbell, Sheldon M; Peaper, David R; Dembry, Louise M; Fisher, Ann; Tarabar, Asim F; Kozal, Michael; Ruser, Christopher B.
  • Federman DG; VA Connecticut Healthcare System, West Haven, CT, United States of America.
  • Gupta S; Yale University School of Medicine, New Haven, CT, United States of America.
  • Stack G; VA Connecticut Healthcare System, West Haven, CT, United States of America.
  • Campbell SM; Yale University School of Medicine, New Haven, CT, United States of America.
  • Peaper DR; VA Connecticut Healthcare System, West Haven, CT, United States of America.
  • Dembry LM; Yale University School of Medicine, New Haven, CT, United States of America.
  • Fisher A; VA Connecticut Healthcare System, West Haven, CT, United States of America.
  • Tarabar AF; Yale University School of Medicine, New Haven, CT, United States of America.
  • Kozal M; VA Connecticut Healthcare System, West Haven, CT, United States of America.
  • Ruser CB; Yale University School of Medicine, New Haven, CT, United States of America.
PLoS One ; 15(8): e0237127, 2020.
Article in English | MEDLINE | ID: covidwho-695633
Preprint
This scientific journal article is probably based on a previously available preprint. It has been identified through a machine matching algorithm, human confirmation is still pending.
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ABSTRACT

BACKGROUND:

The global pandemic of Severe Acute Respiratory Syndrome-Related Coronavirus 2 (SARS-CoV2) has resulted in unprecedented challenges for healthcare systems. One barrier to widespread testing has been a paucity of traditional respiratory viral swab collection kits relative to the demand. Whether other sample collection kits, such as widely available MRSA nasal swabs can be used to detect SARS-CoV-2 is unknown.

METHODS:

We compared simultaneous nasal MRSA swabs (COPAN ESwabs ® 480C flocked nasal swab in 1mL of liquid Amies medium) and virals wabs (BD H192(07) flexible mini-tip flocked nasopharyngeal swabs in 3mL Universal Transport Medium) for SARS-CoV-2 PCR testing using Simplexa COVID-19 Direct assay on patients over a 4-day period. When the results were discordant, the viral swab sample was run again on the Cepheid Xpert Xpress ® SARS-CoV-2 assay.

RESULTS:

Of the 81 included samples, there were 19 positives and 62 negatives in viral media and 18 positives and 63 negative in the MRSA swabs. Amongst all included samples, there was concordance between the COPAN ESwabs ® 480C and the viral swabs in 78 (96.3%).

CONCLUSION:

We found a high rate of concordance in test results between COPAN ESwabs ® 480C in Amies solution and BD H192(07) nasopharyngeal swabs in in 3 mL of Universal Viral Transport medium viral media. Clinicians and laboratories should feel better informed and assured using COPAN ESwabs ® 480C to help in the diagnosis of COVID-19.
Subject(s)

Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Specimen Handling / Coronavirus Infections / Methicillin-Resistant Staphylococcus aureus / Betacoronavirus Type of study: Diagnostic study Limits: Humans Language: English Journal: PLoS One Journal subject: Science / Medicine Year: 2020 Document Type: Article Affiliation country: Journal.pone.0237127

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Specimen Handling / Coronavirus Infections / Methicillin-Resistant Staphylococcus aureus / Betacoronavirus Type of study: Diagnostic study Limits: Humans Language: English Journal: PLoS One Journal subject: Science / Medicine Year: 2020 Document Type: Article Affiliation country: Journal.pone.0237127