Evaluation of Chikungunya Diagnostic Assays: Differences in Sensitivity of Serology Assays in Two Independent Outbreaks. - Yap, Grace; Pok, Kwoon-Yong; Lai, Yee-Ling; Hapuarachchi, Hapuarachchige-Chanditha; Chow, Angela; Leo, Yee-Sin; Tan, Li-Kiang; Ng, Lee-Ching (PLoS Neglected Tropical Diseases, 2010)