Vaccines cut the risk of life-threatening influenza in children by three quarters during the 2010-2011 and 2011-2012 flu seasons in the United States, a new study from the Centers for Disease Control and Prevention found.
Vaccines cut the risk of life-threatening influenza in children by three quarters during the 2010-2011 and 2011-2012 flu seasons in the United States, a new study from the Centers for Disease Control and Prevention found.
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