International Journal of Molecular Sciences Article Isolation and Characterization of Dromedary Camel Coronavirus UAE-HKU23 from Dromedaries of the Middle East: Minimal Serological Cross-Reactivity between MERS Coronavirus and Dromedary Camel Coronavirus UAE-HKU23 Patrick C. Y. Woo 1,2,3,4,5,*,†, Susanna K. P. Lau 1,2,3,4,5,†, Rachel Y. Y. Fan 2, Candy C. Y. Lau 2, Emily Y. M. Wong 2, Sunitha Joseph 6, Alan K. L. Tsang 2, Renate Wernery 6, Cyril C. Y. Yip 2, Chi-Ching Tsang 2, Ulrich Wernery 6,* and Kwok-Yung Yuen 1,2,3,4,5 1 State Key Laboratory of Emerging Infectious Diseases, the University of Hong Kong, Pokfulam, Hong Kong;