Persistence of West Nile virus-specific antibodies in viremic blood donors

Clin Vaccine Immunol. 2007 Sep;14(9):1228-30. doi: 10.1128/CVI.00233-07. Epub 2007 Jul 25.

Abstract

We evaluated West Nile virus (WNV) antibody persistence by using follow-up plasma samples from 35 blood donors who made viremic donations in 2005. At 26 to 34 days of follow-up, all of the donors (n = 33) were positive for WNV immunoglobulin M (IgM), IgA, and IgG. At 1-year of follow-up, 17% of the donors (n = 23) were positive for WNV IgM, 57% were positive for WNV IgA, and 100% were positive for WNV IgG.

MeSH terms

  • Antibodies, Viral / blood*
  • Antibodies, Viral / immunology*
  • Blood Donors*
  • Enzyme-Linked Immunosorbent Assay / methods
  • Humans
  • Immunoglobulin A / blood
  • Immunoglobulin A / immunology
  • Immunoglobulin G / blood
  • Immunoglobulin G / immunology
  • Immunoglobulin M / blood
  • Immunoglobulin M / immunology
  • West Nile Fever / blood
  • West Nile Fever / immunology*
  • West Nile Fever / virology
  • West Nile virus / immunology*

Substances

  • Antibodies, Viral
  • Immunoglobulin A
  • Immunoglobulin G
  • Immunoglobulin M