Dr Yu is involved in developing and supervising China’s national infectious disease surveillance systems, and supervises rapid response teams to provide technical support for the detection and response of emerging infections. He also leads the development of China’s national strategy for the control and prevention of infectious diseases. In addition, he acts as Principal Investigator for several research efforts in emerging infectious diseases in China, and is Conjunctive Director coordinating with the WHO, US CDC, NIH, Oxford University, Wellcome Trust and other technical agencies.

His research interests include the epidemiology, transmission dynamics, and surveillance of infectious diseases such as SARS, avian and swine influenza, Hand Food Mouth Disease, Rabies, Brucellosis, and Streptococcus suis, as well as seasonal influenza, pneumococcal and Hib diseases. His research on vaccines for these diseases, including their efficacy, safety, and cost effectiveness, aims to help develop immunisation services and evidence-based vaccination recommendations and policy.