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. Author manuscript; available in PMC: 2010 Oct 23.
Published in final edited form as: Vaccine. 2009 Oct 23;27(45):6358–6362. doi: 10.1016/j.vaccine.2009.06.090

Figure 2. Fold increase in Amax is inversely related to pre-vaccination levels of antibodies.

Figure 2

Panel A plots fold increase in Amax against pre-vaccination Amax for the three studies.

Panel B is the same plot for fold increase in Ka. It shows that subjects with higher pre-vaccination levels of antibody may show an increase in avidity after vaccination, even though there is no increase in antibody amount.