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Volume 18, Number 2—February 2012


Association of Human Bocavirus 1 Infection with Respiratory Disease in Childhood Follow-up Study, Finland

Mira Meriluoto, Lea Hedman, Laura Tanner, Ville Simell, Marjaana Mäkinen, Satu Simell, Juha Mykkänen, Jan Korpelainen, Olli Ruuskanen, Jorma Ilonen, Mikael Knip, Olli Simell, Klaus Hedman, and Maria Söderlund-VenermoComments to Author 
Author affiliations: University of Helsinki, Helsinki, Finland (M. Meriluoto, L. Hedman, M. Knip, K. Hedman, M. Söderlund-Venermo); Haartman Institute, Helsinki (M. Meriluoto, L. Hedman, K. Hedman, M. Söderlund-Venermo); Helsinki University Central Hospital, Helsinki (L. Hedman, M. Knip, K. Hedman); University of Turku, Turku, Finland (L. Tanner, V. Simell, M. Mäkinen, S. Simell, J. Mykkänen, J. Korpelainen, O. Ruuskanen, J. Ilonen, O. Simell); University of Eastern Finland, Kuopio, Finland (J. Ilonen); Tampere University Hospital, Tampere, Finland (M. Knip); Folkhälsan Research Center, Helsinki (M. Knip)

Main Article

Table 2

Human bocavirus 1 findings of 102 constitutionally healthy children at seroconversion, Finland*

No. (%) children Virologic finding Mean Median Range
28 (27) IgM antibodies, abs 0.69 0.66 0.17–1.54
24 (24) qPCR positive, copies/mL 1.21 × 105 4.13 × 104 1.26 × 100 to –9.09 × 105
34 (33) Low IgG avidity, % 8.6 9.4 1.5–14.4

*Abs, absorbance value; qPCR, quantitative PCR in serum.

Main Article