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. Author manuscript; available in PMC: 2011 Mar 1.
Published in final edited form as: Infect Genet Evol. 2009 Nov 30;10(2):200–206. doi: 10.1016/j.meegid.2009.11.008

Figure 3. Immune responses against PfRh2b exist in two geographically distinct populations.

Figure 3

(A) Percent positive responses (defined as OD responses greater than 3 times the standard deviation of the mean of 72 unexposed Boston sera) for Senegal (n=67) and Tanzania (n=36). In Senegal, 8.96% of sera had positive IgG titers against PfRh2b; in Tanzania, 5.55% percent of sera were positive. (B) IgG against PfRh2b is acquired in an age-dependent manner; however mean differences were not statistically significant by Kruskal-Wallis (p=0.17)