Chimpanzee Adenovirus Antibodies in Humans, Sub-Saharan Africa
Zhiquan Xiang*, Yan Li*, Ann Cun*, Wei Yang†, Susan Ellenberg†, William M. Switzer‡, Marcia L. Kalish‡, and Hildegund C.J. Ertl*
Author affiliations: *The Wistar Institute, Philadelphia, Pennsylvania, USA; †University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA; ‡Centers for Disease Control and Prevention, Atlanta, Georgia, USA
Figure. Prevalence of neutralizing antibody titers to chimpanzee adenoviruses. Percentages of negative samples are not shown. Left column: Cameroon, black bars; Côte d'Ivoire, white bars; Nigeria: gray bars. Middle column: Thailand, black bars; US controls, white bars; US zoo keepers or animal handlers, gray bars. VNAs, virus neutralizing antibodies. Coded human serum samples that had been collected for other studies were obtained under an institutional review board exemption.
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