Japanese encephalitis Not usually recommended for urban short term travel. The transmission season is April to October in the south. The southern risk area consists of Guangdong, Guangxi, Yunan provinces and the southern parts of Fujian, Guizhou, Hunan, Jiangxi, and Sichuan provinces. Consider the vaccination if you will be in rural areas and if there is an epidemic outbreak. Polio Cases of polio still occur regularly.
Immunization is recommended for all.
Consider a one-time booster dose if you have already completed the standard course of immunization. The CDC has guidelines for vaccinating those who have not completed the course or are un-immunized. Rabies Not necessary for the usual adoption trip. Typhoid Usually not necessary unless you plan to eat anything and everything. CDC Travel Information - East Asia Includes information on risks, symptoms, and prevention of health concerns and a summary of their recommendations.