Volume 25, Number 11—November 2019
Research Letter
Endemicity of Yaws and Seroprevalence of Treponema pallidum Antibodies in Nonhuman Primates, Kenya
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).