Table  Laboratory data of the first case of SARS-CoV-2 infection, Finland, January–February 2020
Sampling day Day since the first symptoms  Specimen  PCR done at  E  RdRp  N  MN  IgM  IgG
28 Jan 2020Day 3  NPS  HUSTHL  ND30.49  ND30.48  ND31.59  NA  NA   NA
29 Jan 2020Day 4  NPA  HUSTHL  31.1827.13  27.56 28.43  28.2928.73  NA   NA   NA
NPS  HUSTHL  28.1529.59  27.1330.87  28.8231.78   NA   NA  NA
Serum   THLUH  NegNeg  NegNeg  NegNeg  < 4  < 20  < 20
03 Feb 2020Day 9  NPS  HUSTHL  NegNeg  NegNeg  NegNeg  NA  NA  NA
Serum  UH  ND  Neg  Neg  60  80  80
04 Feb 2020Day 10  NPS  HUSTHL  NegNeg  NegNeg  NegNeg  NA  NA  NA
Serum  ND  ND  ND  ND  72  160  160
14 Feb 2020Day 20  Serum  UH  Neg  Neg  Neg  160  320  1,280
17 Feb 2020Day 23  NPS  HUSTHL  NegNeg  NegNeg  NegNeg  NA  NA  NA
E: envelope protein gene; HUS: Helsinki University Hospital Laboratory; IgG: immunoglobulin G; IgM: immunoglobulin M; MN: microneutralisation test; N: nucleocapsid protein gene; NA: not applicable; ND: not done; Neg: negative; NPA: nasopharyngeal aspirate; NPS: nasopharyngeal swab; RdRp: RNA-dependent RNA polymerase gene; RT-PCR: reverse-transcription PCR; THL: Finnish Institute for Health and Welfare; UH: University of Helsinki.