The seed of the idea came during the bird flu scare in 2004, when hundreds of millions of poultry birds were killed to prevent the spread of the H5N1 flu strain.

她的这一创意源于2004年的禽流感恐慌，为了阻止H5N 1流感传播，当时有千百万吨普通家禽被杀。

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The states that have seen the most cases of the deadly H5N1 strain of bird flu are Indonesia, Vietnam, China and Egypt, none of them among the worst cases of misrule or non-rule.

ECONOMIST: Failed states

The mass bird killing is the first so far as the Chinese government responds to the H7N9 strain of bird flu, which has sickened 14 people, many critically, along the eastern seaboard in its first known infections of people.

NPR: China Kills Market Birds As Flu Found In Pigeons

Though some microbloggers and media are questioning why it took a couple of weeks after the first deaths for authorities to announce the new strain of bird flu, international health experts have broadly praised China's response.

NPR: China's Bird Flu Response Shows New Openness