highly significantp < 0.01
Heterotypic seroconversion was highly significant against A/H5N1 in the 2006–2007 and 2010–2011 VCCs and in the 2006–2007 VCC against A/H9N2 (McNemar; p < 0.01).
Heterotypic seroconversion was highly significant against A/H5N1 in the 2006–2007 and 2010–2011 VCCs and in the 2006–2007 VCC against A/H9N2 (McNemar; p < 0.01).