Comparison between hemagglutination inhibition (HI) and virus neutralization (VM). I. ChenMark G. BarrIan C. H. KohGerald J. LeeVernon P. S. LeeCaroline ShawRobert LinCui YapJonathan R. CookAlex Huan TanBoon Phang LohJin BarkhamTimothy T. K. ChowVincent T. P. LinRaymond LeoYee-Sin 2013 <p>A) baseline sample titers (n = 45 for HI, n = 45 for VM); B) follow-up sample titers (n = 45 for HI, n = 44 for VM); C) fold rise in titer for follow-up relative to baseline titer (n = 45 for HI, n = 44 for VM). In all three panels, lines denote the reverse cumulative distribution with error bars representing the 95% confidence intervals.</p>