MADAM PRESIDENT: Ellen Johnson Sirleaf (Xinhua)

"We've not done enough for sanitation, particularly where you have overcrowding in urban areas, becomes more noticeable and more of a health problem. Clean water and latrine facilities is something we have to emphasise to make a big impact on the quality of health."

Ellen Johnson Sirleaf, Liberia's President

"The move [planning to include all foreign workers in its social security system starting from July] will ensure foreign employees in China enjoy the same social insurance benefits as Chinese nationals do."

Xu Yunjun, Deputy Director, Social Security Center, MOHRSS