Early Adaptive Humoral Immune Responses and Virus Clearance in Humans Recently Infected with Pandemic 2009 H1N1 Influenza Virus
Figure 6
Association between IgM and HI titers and the contribution of IgM to HI activities.
The association of early IgM and HI titers in early days (a) or late days (b) since influenza infection was shown. The depletion of IgM (c) or IgG (d) affect HI titers against 2009 H1N1 infeluenza virus.