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Advances in Pediatrics

Immunization Update III

      Perhaps the biggest news in the immunization world over the past 2 years was the 2009 (H1N1) novel influenza A virus outbreak. The virus was initially identified to be the cause of influenza-like illness in two children in the United States during March and April 2009 and the cause of respiratory illness outbreaks in Mexico [
      • CDC
      Swine influenza A (H1N1) infection in two children—Southern California, March-April 2009.
      ,
      • CDC
      Outbreak of swine-origin influenza A (H1N1) virus infection—Mexico, March-April 2009.
      ]. The virus spread rapidly and within weeks cases were identified across the United States and in several countries around the world. On June 11, 2009 the Director General of the World Health Organization (WHO) Dr Margaret Chan declared a global pandemic. As of August 10, 2010, this has been updated to postpandemic status. This review focuses on discussing the 2009 pandemic briefly along with the global response in terms of vaccine development, recommendations for vaccination for the 2010–2011 influenza season, followed by other recent updates in adolescent and pediatric vaccines.
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