Nonlinear Dynamics in Epidemic Systems

1School of Computer and Information Technology, Shanxi University, Taiyuan 030006, China 2Complex Systems Research Center, Shanxi University, Taiyuan, Shanxi 030006, China 3College of Science, University of Shanghai for Science and Technology, Shanghai 200093, China 4School of Biomedical Engineering, Third Military Medical University, Chongqing 400038, China 5Institute of Theoretical & Experimental Biophysics, Pushchino, Moscow Region 142290, Russia 6Ecological Complexity and Modeling Laboratory, Department of Botany and Plant Sciences, University of California, Riverside, CA 92521-0124, USA