Fig. 4From: Impact of intestinal parasites on microbiota and cobalamin gene sequences: a pilot studya Children infected with > 1 fg/µl Giardia DNA concentrations had decreased cobalamin biosynthesis genes compared to the combined Giardia < 1  fg/µl and uninfected groups (P = 0.0369) with b the Giardia + helminth group having less cobalamin biosynthesis genes than the helminth-only infections (P = 0.000754). *P < 0.05Back to article page