Media type: E-Article Title: Implications of the Emergence of a Novel H1 Influenza Virus Contributor: Belshe, Robert B. imprint: Massachusetts Medical Society, 2009 Published in: New England Journal of Medicine Language: English DOI: 10.1056/nejme0903995 ISSN: 0028-4793; 1533-4406 Keywords: General Medicine Origination: Footnote: Access State: Open Access