Those planning on staying in China for a period of over six months may be required to present medical records. It is advisable to have vaccination records if you have been traveling in affected areas previous to visiting China.
Major hotels have a clinic or services of a doctor.
Foreign visitors and their travel agents can obtain individual or group visas from Chinese embassies and consulates, or China Travel Service offices in Hong Kong, usually within a day or two. Most tourists are included in group visas, not inserted into passports. For individual travelers, single-entry visas are valid for entry within three months. For business people and other regular visitors there are multiple-entry visas good for six months at a time. Each visa is valid for a stay of 30 or 60 days, and can be extended while in China.