Serological and molecular findings during SARS-CoV-2 infection: the first case study in Finland, January to February 2020

Author:

Haveri Anu1,Smura Teemu2,Kuivanen Suvi2,Österlund Pamela1,Hepojoki Jussi32,Ikonen Niina1,Pitkäpaasi Marjaana1,Blomqvist Soile1,Rönkkö Esa1,Kantele Anu4,Strandin Tomas2,Kallio-Kokko Hannimari5,Mannonen Laura5,Lappalainen Maija5,Broas Markku6,Jiang Miao71,Siira Lotta1,Salminen Mika1,Puumalainen Taneli1,Sane Jussi1,Melin Merit1,Vapalahti Olli52,Savolainen-Kopra Carita1

Affiliation:

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, Finland

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.

Publisher

European Centre for Disease Control and Prevention (ECDC)

Subject

Virology,Public Health, Environmental and Occupational Health,Epidemiology

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