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Fig. 4 | Malaria Journal

Fig. 4

From: Naturally acquired humoral and cellular immune responses to Plasmodium vivax merozoite surface protein 8 in patients with P. vivax infection

Fig. 4

IgG antibody responses to rPvMSP8 in the sera of malaria patients followed for 1 month, archival vivax malaria patients (5-, 12-, and 30-year recovery), and malaria-naive individuals (Healthy). a IgG response of rPvMSP8 to 25 1-month follow-up vivax samples. b IgG response of rPvMSP8 to the sera of 5-, 12-, and 30-year archival vivax patients. The vertical axis (MFI/Mean ± 2SD) represents the mean fluorescence intensity divided by the mean fluorescence intensity plus 2 standard deviations of the malaria-naive samples. The horizontal bars indicate the means ± SDs. The Mann–Whitney U test was used for statistical analysis and P values calculation

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