分类：健康-肿瘤科
问题：现在的爱滋病儿童全世界有多少？我也很难确切的说 
我也很难确切的说
回答：根据以下报道：
About 14 000 new HIV infections a day in 2003 More than 95% are in low and middle income countries
 Almost 2000 are in children under 15 years of age
 About 12 000 are in persons aged 15 to 49 years, of whom:
—  almost 50% are women
—  about 50% are 15–24 year olds
15岁以下儿童感染率占14.3%，全球有4000多万人已感染HIV，大约570多万儿童感染了HIV。