Jiajia (not her real name) looks exactly like other girls her age, maybe just a little smaller.

But after breakfast and dinner, the 10-year-old has to find a private place to take her AIDS medication.

On one of those occasions, Li Lin, a teacher at Dele Home - which means "home for virtue and happiness" - a welfare institution in Nanning, in the Guangxi Zhuang autonomous region, helped Jiajia take out the medicine from a small plastic box and said: "Relax! Just think of these pills as vitamins."