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Serological and molecular findings during SARS-CoV-2 infection: the first case study in Finland, January to February 2020
- Anu Haveri1 , Teemu Smura2 , Suvi Kuivanen2 , Pamela Österlund1 , Jussi Hepojoki2,3 , Niina Ikonen1 , Marjaana Pitkäpaasi1 , Soile Blomqvist1 , Esa Rönkkö1 , Anu Kantele4 , Tomas Strandin2 , Hannimari Kallio-Kokko5 , Laura Mannonen5 , Maija Lappalainen5 , Markku Broas6 , Miao Jiang1,7 , Lotta Siira1 , Mika Salminen1 , Taneli Puumalainen1 , Jussi Sane1 , Merit Melin1 , Olli Vapalahti2,5 , Carita Savolainen-Kopra1
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View Affiliations Hide AffiliationsAffiliations: 1 Department of Health Security, Finnish Institute for Health and Welfare (THL), Helsinki, Finland 2 University of Helsinki, Medicum, Department of Virology, Helsinki, Finland 3 Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland 4 Inflammation Center, Infectious Diseases, Helsinki University Hospital (HUSLAB) and University of Helsinki, Helsinki, Finland 5 Department of Virology and Immunology, Helsinki University Hospital (HUSLAB) and University of Helsinki, Helsinki, Finland 6 Infection-Hospital Hygiene Unit, Lapland Central Hospital, Rovaniemi, Finland 7 Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, FinlandAnu Haverianu.haveri thl.fi
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Citation style for this article: Haveri Anu, Smura Teemu, Kuivanen Suvi, Österlund Pamela, Hepojoki Jussi, Ikonen Niina, Pitkäpaasi Marjaana, Blomqvist Soile, Rönkkö Esa, Kantele Anu, Strandin Tomas, Kallio-Kokko Hannimari, Mannonen Laura, Lappalainen Maija, Broas Markku, Jiang Miao, Siira Lotta, Salminen Mika, Puumalainen Taneli, Sane Jussi, Melin Merit, Vapalahti Olli, Savolainen-Kopra Carita. Serological and molecular findings during SARS-CoV-2 infection: the first case study in Finland, January to February 2020. Euro Surveill. 2020;25(11):pii=2000266. https://doi.org/10.2807/1560-7917.ES.2020.25.11.2000266 Received: 06 Mar 2020; Accepted: 18 Mar 2020
Abstract
The first case of coronavirus disease (COVID-19) in Finland was confirmed on 29 January 2020. No secondary cases were detected. We describe the clinical picture and laboratory findings 3–23 days since the first symptoms. The SARS-CoV-2/Finland/1/2020 virus strain was isolated, the genome showing a single nucleotide substitution to the reference strain from Wuhan. Neutralising antibody response appeared within 9 days along with specific IgM and IgG response, targeting particularly nucleocapsid and spike proteins.
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