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. 2003 Mar;71(3):1584–1586. doi: 10.1128/IAI.71.3.1584-1586.2003

FIG. 1.

FIG. 1.

Plasma IgG recognition of VSA expressed by P. falciparum parasites isolated from the peripheral blood of pregnant women exposed to malaria (strain M1003 or M4102) and a child exposed to malaria (strain E2039) as measured by flow cytometry. The bar graphs show levels of IgG in pools of plasma from unexposed individuals (Unexp. controls), from P. falciparum-exposed men (Exp. men) and women (Exp. women), and in a fourfold-titrated pool of plasma from pregnant women with high levels of IgG specific for VSA expressed by parasites associated with pregnancy-associated malaria (Pregnants). The diagrams show VSA-specific IgG levels in individual plasma samples from primigravidae (Parity 1), secundigravidae (Parity 2), multigravidae (Parity 3 to 4), and grand-multigravidae (Parity 5 to 10). In each diagram, the vertical line indicates the median, the box indicates the 25 to 75% interquartile range, the horizontal “I” bar indicates the 10 to 90% interpercentile range, and the filled circles indicate all individual data points outside this range. The level of VSA-specific IgG in the autologous plasma sample is shown as an open circle.