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Journal Article > Research

Real-world SARS CoV-2 testing in Northern England during the first wave of the COVID-19 pandemic

Farooq HZ, Davies E, Brown B, Whitfield T, Tilston P, McEwan A, Birtles A, O'Hara R, Spencer H, Hesketh L, Ahmad S, Guiver M, Machin N
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Abstract
OBJECTIVES
SARS-CoV-2 emerged in South Asia in 2019 and has resulted in a global pandemic. Public Health England (PHE) Manchester rapidly escalated testing for SARS-CoV-2 in the highest COVID-19 incidence location in England. The results of the PHE Manchester SARS-CoV-2 surveillance during the first wave are presented.

METHODS
Retrospective data were collected for patients fitting the PHE SARS-CoV-2 case definition from 11th February to 31st August 2020. Respiratory tract, tissue, faecal, fluid and cerebrospinal (CSF) samples were tested for SARS-CoV-2 by a semi-quantitative real-time reverse-transcription PCR.

RESULTS
Of the 204,083 tests for SARS-CoV-2, 18,011 were positive demonstrating a positivity of 8.90%. Highest positivity was in nasal swabs (20.99%) followed by broncheo-alveolar lavage samples (12.50%). None of the faecal, fluid or CSF samples received were positive for SARS-CoV-2.

CONCLUSIONS
There was a high incidence of SARS-CoV-2 patients in the North-West of England during the first UK wave of the Covid-19 pandemic. Highest positivity rate was in nasal specimens suggesting this is the optimum sample type within this dataset for detecting SARS-CoV-2. Further studies are warranted to assess the utility of testing faecal, fluid and CSF samples. Rapid escalation of testing via multiple platforms was required to ensure prompt diagnosis and isolate infected cases to reduce transmission of the virus.
Countries
United Kingdom
Subject Area
Covid-19diagnostics
DOI
10.1016/j.jinf.2021.04.013
Published Date
01-Jul-2021
PubMed ID
33892016
Languages
English
Journal
Journal of Infection
Volume / Issue / Pages
Volume 83, Issue 1, Pages 84-91
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