Published in Vaccine Weekly, July 14th, 2004
According to a study from the Netherlands, "Viral protein 2 and viral protein 3 (VP2 and VP3) were quantified in a series of inactivated infectious bursal disease oil emulsion vaccines using enzyme-linked immunosorbent assay, and the dependence of the serological response on vaccine antigen content was studied. Large differences in antigen content, up to 50-fold, were found between vaccines. Neutralizing antibody titers at 3 to 6 weeks after vaccination varied from 3 log2 to 16 log2...
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