A water quality pilot study,being conducted jointly by WHO and UNICEF during 2002-2003 in nine countries, will test both the microbial and chemical quality of the water at the source as well as in the household.

• 2002 至2003 年期 间，卫生组织和儿童基金会在九个国家联合进行的水质量示点研究不仅将测试水源地也将测试家庭内水的微生物和化学质量。