Six-year-old Genevieve DiGiovanni, held by her mother Stephanie, reacts as she receives an H1N1 flu vaccination at a public clinic in Milwaukee, Wisconsin October 23. 2009. With a national shortage of the vaccine the City of Milwaukee Health Department has less than 7,000 doses of the vaccine available on a first come first served basis, local media sources report. [Agencies] ![Obama declares H1N1 flu a national emergency](http://www.chinadaily.com.cn/world/images/attachement/gif/site1/20091025/0013729e48090c4de31c33.gif)
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