swine flu 6 25 2012

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CDC study finds death toll from 2009-10 H1N1 outbreaks was grossly underestimated.

Italy, Switzerland, Spain and Germany are concerned about quality after white particles were discovered in some vaccines.

A boy is vaccinated during a day of the vaccination campaign against Influenza A H1N1 Virus (swine flu) in Ciudad Juarez, Mexico, on March 28, 2011.

JESUS ALCAZAR

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