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Volume 21, Number 9—September 2015
Letter

Chikungunya Virus in Macaques, Malaysia

I-Ching SamComments to Author , Chong Long Chua, Jeffrine J. Rovie-Ryan, Jolene Y.L. Fu, Charmaine Tong, Frankie Thomas Sitam, and Yoke Fun Chan
Author affiliations: University Malaya, Kuala Lumpur, Malaysia (I-C. Sam, C.L. Chua, J.Y.L. Fu, C. Tong, Y.F. Chan); Department of Wildlife and National Parks Peninsular Malaysia, Kuala Lumpur (J.J. Rovie-Ryan, T. Sitam)

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Figure

Cases of human infection with chikungunya virus (CHIKV) per 100,000 persons in 5 states in Peninsular Malaysia, 2008–2009, and sites where monkeys were sampled in 2009–2010. Published CHIKV case numbers were used (4), and published estimated populations of monkeys in 2011 were reduced by an annual growth rate of 5% to obtain population estimates for 2010 (3). Solid circles indicate monkey sampling sites, triangles indicates sites from which samples were obtained (where the specific locations was

Figure. Cases of human infection with chikungunya virus (CHIKV) per 100,000 persons in 5 states in Peninsular Malaysia, 2008–2009, and sites where monkeys were sampled in 2009–2010. Published CHIKV case numbers were used (4), and published estimated populations of monkeys in 2011 were reduced by an annual growth rate of 5% to obtain population estimates for 2010 (3). Solid circles indicate monkey sampling sites, triangles indicates sites from which samples were obtained (where the specific locations was not known), and open circle indicates site from which a sample was obtained from a seropositive macaque. Numbers indicate states where monkeys were sampled. 1, Selangor, 88 monkeys (0.29%) sampled of an estimated population of 29,924; 2, Negeri Sembilan, 21/10,133 (0.21%); 3, Perak, 18/15,114 (0.12%); 4, Pahang, 17/12,590 (0.14%); 5, Penang, 3/6,019 (0.05%).

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