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Fig. 5 | Parasites & Vectors

Fig. 5

From: Analysis of age-dependent trends in Ov16 IgG4 seroprevalence to onchocerciasis

Fig. 5

Box plots for normalized anti-Ov16 IgG4 ELISA ODs for different subgroups of ELISA-positive subjects (n = 393), as determined by expectation maximization (EM). The solid lines represent median values, the boxes the 25–75 percentiles, and whiskers the minimum to maximum range. Graph a shows data for the ≤ 15 %, 15–20 % and > 20 % seroprevalence community clusters; b shows data across age ranges (age ranges were selected statistically based on sample distribution); and c shows microfilaria (MF)-positive and MF-negative subgroups

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