摘要
Keeping young children healthy can be challenging at the best of times, as Li Haijie, a 34-year-old mother of two knows only too well. For example, to have her first child vaccinated, she had to queue for hours in a crowded. noisy room, in her hometown of Jining, in east China＇s Shandong Province.
Keeping young children healthy can be challenging at the best of times, as Li Haijie, a 34-year-old mother of two knows only too well. For example, to have her first child vaccinated, she had to queue for hours in a crowded. noisy room, in her hometown of Jining, in east China＇s Shandong Province.
