A team of family doctors goes from door to door to deliver medicine for free to low-income families in Qingdao's Huangdao district, also known as Qingdao West Coast New Area, on May 12. For years, the district has been sending teams of family doctors for free physical checkups and free basic treatment for low-income households. [Photo by Zhang Jingang/for chinadaily.com.cn]

A doctor gives an electrocardiogram to a woman at her home in Qingdao's Huangdao district, also known as Qingdao West Coast New Area, on May 12. [Photo by Zhang Jingang/for chinadaily.com.cn]

A nurse measures a woman's blood pressure at her home in Qingdao's Huangdao district, also known as Qingdao West Coast New Area, on May 12. [Photo by Zhang Jingang/for chinadaily.com.cn]