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Volume 25, Number 11—November 2019

Research Letter

Endemicity of Yaws and Seroprevalence of Treponema pallidum Antibodies in Nonhuman Primates, Kenya

Dawn M. ZimmermanComments to Author , Emily H. Hardgrove, Michael E. von Fricken, Joseph Kamau, Daniel Chai, Samson Mutura, Velma Kivali, Fatima Hussein, Peris Ambala, Andrea Surmat, Joseph G. Maina, and Sascha Knauf
Author affiliations: Smithsonian Conservation Biology Institute, Washington DC, USA (D.M. Zimmerman, E.H. Hardgrove, M.E. von Fricken); George Mason University, Fairfax, Virginia, USA (D.M. Zimmerman, M.E. von Fricken); Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA (E.H. Hardgrove); Institute of Primate Research, Nairobi, Kenya (J. Kamau, D. Chai, S. Mutura, F. Hussein, P. Ambala); International Livestock Research Institute, Nairobi (V. Kivali); Mpala Research Centre and Wildlife Foundation, Nanyuki, Kenya (A. Surmat); Kenya Wildlife Service, Nairobi (J.G. Maina); German Primate Center, Goettingen, Germany (S. Knauf)

Main Article

Table

Demographic data and serologic results for nonhuman primates sampled for Treponema pallidum antibodies, Laikipia County, Kenya, October 2016*

Species, age group† No. positive/no. tested (%)
Male Female
Olive baboon (Papio anubis)
Adult 21/21 (100) 10/10 (100)
Subadult 6/6 (100) 1/1 (100)
Juvenile 9/11 (82) 2/7 (29)
Infant 2/4 (50) ND
Subtotal
 38/42 (90)
 13/18 (72)
Vervet monkey (Chlorocebus pygerythrus)
Adult 0/1 (0) ND
Juvenile 1/1 (100) ND
Subtotal
 1/2 (50)
 ND
Total 39/44 (89) 13/18 (72)

*Samples were tested by using the Dual Path Platform Assay or the Treponema pallidum Particle Agglutination Assay. ND, not done.
†Age ranges for P. anubis baboons, infant, <1.3 y; male juvenile, 1.3–6 y; female juvenile, 1.3–5 y; male subadult, 6–9 y; female subadult 5–6 y; male adult, >10 y; female adult, >6 y (Appendix reference 1). Age ranges for C. pygerythrus monkeys: juvenile, 22–40 mo; adult, >40 months (Appendix reference 2).

Main Article

Page created: October 15, 2019
Page updated: October 15, 2019
Page reviewed: October 15, 2019
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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