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T1  - SARS-CoV-2 infections among healthcare workers at Helsinki University Hospital, Finland, spring 2020 : Serosurvey, symptoms and risk factors 
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UR  - http://hdl.handle.net/10138/328346 
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A1  - Kantele, Anu; Lääveri, Tinja; Kareinen, Lauri; Pakkanen, Sari H.; Blomgren, Karin; Mero, Sointu; Patjas, Anu; Virtanen, Jenni; Uusitalo, Ruut; Lappalainen, Maija; Järvinen, Asko; Kurkela, Satu; Jääskeläinen, Anne J.; Vapalahti, Olli; Sironen, Tarja 
A2  -  
PB  -  
Y1  - 2021 
LA  - eng 
AB  - Background: Exposure, risks and immunity of healthcare workers (HCWs), a vital resource during the SARS-CoV-2 pandemic, warrant special attention. Methods: HCWs at Helsinki University Hospital, Finland, filled in questionnaires and provided serum samples for SARS-CoV-2-specific antibody screening by Euroimmun IgG assay in March-April 2020. Positive/equivocal findings were confirmed by Abbott and microneutralization tests. Positivity by two of the three assays or RT-PCR indicated a Covid-19 case ... 
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KW  - Healthcare staff; HCW; SARS-CoV-2; Covid-19; Antibody response; Neutralizing antibodies; 3142 Public health care science, environmental and occupational health; 11832 Microbiology and virology 
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