When to Worry, Really, About China’s Bird Flu

On April 17, experts from the U.N., the U.S., Hong Kong and the E.U. will arrive in China to help in the fight against the spreading bird virus
Beijing's first human case of H7N9 bird flu, a 7-year-old girl lying in her bed in an ICU at Ditan hospital on April 13, 2013 Photograph by STR/AFP via Getty Images

As more and more cases of bird flu crop up in eastern China, the reassuring voices of the World Health Organization (WHO) and Centers for Disease Control and Prevention (CDC) are urging Chinese citizens—and international travelers—to remain calm but vigilant: There is no need for full-on alarm unless or until solid evidence emerges that someone can catch the virus from other people, as well as from chickens.

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