publication . Article . 2021

Lessons learned from the investigation of a COVID-19 cluster in Creil, France: effectiveness of targeting symptomatic cases and conducting contact tracing around them

De Laval, Franck; Grosset-Janin, Anaïs; Delon, François; Allonneau, Alexandre; Tong, Christelle; Letois, Flavie; couderc, Anne; Sanchez, Marc-Antoine; Destanque, César; Biot, Fabrice; ...
Open Access English
  • Published: 01 Dec 2021
  • Publisher: HAL CCSD
  • Country: France
Abstract
International audience; This study presents the methods and results of the investigation into a SARS-CoV-2 outbreak in a professional community. Due to the limited testing capacity available in France at the time, we elaborated a testing strategy according to pre-test probability. Methods The investigation design combined active case finding and contact tracing around each confirmed case with testing of at-risk contact persons who had any evocative symptoms ( n = 88). One month later, we performed serology testing to test and screen symptomatic and asymptomatic cases again ( n = 79). Results Twenty-four patients were confirmed (14 with RT-PCR and 10 with serolog...
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Subjects
free text keywords: Asymptomatic, COVID-19, Cluster, RT-PCR, SARS-CoV-2, MESH: Adult, MESH: COVID-19, MESH: Male, MESH: Middle Aged, MESH: RNA, Viral, MESH: Reverse Transcriptase Polymerase Chain Reaction, MESH: SARS-CoV-2, MESH: Young Adult, MESH: Contact Tracing, MESH: Disease Outbreaks, MESH: France, MESH: Humans, [SDV.MP.BAC]Life Sciences [q-bio]/Microbiology and Parasitology/Bacteriology, [SDV.MP.VIR]Life Sciences [q-bio]/Microbiology and Parasitology/Virology, [SDV.MP.PAR]Life Sciences [q-bio]/Microbiology and Parasitology/Parasitology, [SDV.MHEP.CSC]Life Sciences [q-bio]/Human health and pathology/Cardiology and cardiovascular system, [SDV.MHEP.ME]Life Sciences [q-bio]/Human health and pathology/Emerging diseases, [SDV.MHEP.MI]Life Sciences [q-bio]/Human health and pathology/Infectious diseases, Infectious and parasitic diseases, RC109-216, Research
Communities
COVID-19
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