Tan Tock Seng Hospital is one of the major hospitals in Singapore, providing comprehensive healthcare services to patients.

West China School of Public Health/West China Fourth Hospital, Sichuan University, is one of the most famous public health schools in my country, and the only Grade-A tertiary hospital specializing in occupational diseases among the 44 hospitals under the National Health Commission. It is the earliest cradle of public health talents in China, one of the earliest colleges to offer preventive medicine, and the first to establish a health inspection major in China, enjoying a high reputation. The hospital has an analysis and testing center/testing center, a health management cadre training center, medical and health institutions, etc. It is a chemical poisoning treatment base in Sichuan Province and Chengdu City, a Chengdu occupational poisoning and nuclear radiation injury treatment base, a chemical poisoning treatment drug reserve in Sichuan Province, and an occupational disease prevention and control hospital in Sichuan Province.