China's Guangdong Enhances Efforts to Prevent H7N9

Passengers walk past quarantine channel for departure passengers at the Baiyun International Airport in Guangzhou, capital of south China's Guangdong Province, April 17, 2013. The province has enhanced its efforts to prevent the H7N9 infections. A total of 77 H7N9 cases have been reported in China, including 16 cases that have ended in death. [Xinhua]