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Volume 17, Number 1—January 2011

Dispatch

Serodiagnosis of Primary Infections with Human Parvovirus 4, Finland

Anne Lahtinen, Pia Kivelä, Lea Hedman, Arun Kumar, Anu Kantele, Maija Lappalainen, Kirsi Liitsola, Matti Ristola, Eric Delwart, Colin Sharp, Peter Simmonds, Maria Söderlund-Venermo, and Klaus HedmanComments to Author 
Author affiliations: Author affiliations: University of Helsinki, Helsinki, Finland (A. Lahtinen, L. Hedman, A. Kumar, A. Kantele, M. Söderlund-Venermo, K. Hedman); Helsinki University Central Hospital, Helsinki (P. Kivelä, L. Hedman, A. Kantele, M. Lappalainen, M. Ristola, K. Hedman); National Institute for Health and Welfare, Helsinki (K. Liitsola); Blood System Research Institute, San Francisco, California, USA (E. Delwart); University of California, San Francisco (E. Delwart); University of Edinburgh, Summerhall, UK (C. Sharp, P. Simmonds)

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Table 1

Virologic findings for PARV4 primary infections in 2 patients, Finland*

Patient Date of sampling IgG EIA absorbance IgM EIA absorbance PCR IgG avidity, %
A
 2004 Sep 8 0.016 0.051 – ND
2006 Mar 14
 2.873
 0.218
 +
 17.7
B 2006 Mar 13 0.950 1.461 + 8.9
2006 Apr 6 1.946 0.661 + 10.1

*PARV4, parvovirus 4; Ig, immunoglobulin; EIA, enzyme inmmunoassay; –, negative; ND, not determined; +, positive.

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