A health worker from Zhangzhou epidemic prevention station performs decontamination work at Yueyuan village of Zhouqu county, Northwest China's Gansu province, Aug 14, 2010. [Photo/Xinhua] |
A health worker from Zhangzhou epidemic prevention station performs decontamination work at Yueyuan village of Zhouqu county, Northwest China's Gansu province, Aug 14, 2010. [Photo/Xinhua] |