![Passengers, wearing surgical masks as a precaution against infection, arrive at the airport in Mexico City, Sunday, April 26, 2009.[Agencies]](http://www.cctv.com/english/special/techmax/20090428/images/1240897635294_1240897635294_r.jpg) |
| Passengers, wearing surgical masks as a precaution against infection, arrive at the airport in Mexico City, Sunday, April 26, 2009.[Agencies] |
World govts race to contain swine flu outbreak
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| Passengers, wearing surgical masks as a precaution against infection, arrive at the airport in Mexico City, Sunday, April 26, 2009.[Agencies] |
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