In this April 9, 2013 photo, a child waits for her mother 

In this April 9, 2013 photo, a child waits for her mother who buys vegetable near the closed poultry section at the Huhuai agricultural market where the H7N9 bird flu was detected by authority in Shanghai, China. After a new and lethal strain of bird flu emerged in Shanghai two weeks ago, the government of China's bustling financial capital responded with live updates on a Twitter-like microblog. It's a starkly different approach than a decade ago, when Chinese officials silenced reporting as a deadly pneumonia later known as SARS killed dozens in the south. (AP Photo/Eugene Hoshiko)
Associated Press
In this April 9, 2013 photo, a child waits for her mother who buys vegetable near the closed poultry section at the Huhuai agricultural market where the H7N9 bird flu was detected by authority in Shanghai, China. After a new and lethal strain of bird flu emerged in Shanghai two weeks ago, the government of China's bustling financial capital responded with live updates on a Twitter-like microblog. It's a starkly different approach than a decade ago, when Chinese officials silenced reporting as a deadly pneumonia later known as SARS killed dozens in the south. (AP Photo/Eugene Hoshiko)
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