Journal Article

Cases of Swine Influenza in Humans: A Review of the Literature

Kendall P. Myers, Christopher W. Olsen and Gregory C. Gray

in Clinical Infectious Diseases

Published on behalf of Infectious Diseases Society of America

Volume 44, issue 8, pages 1084-1088
Published in print April 2007 | ISSN: 1058-4838
Published online April 2007 | e-ISSN: 1537-6591 | DOI: http://dx.doi.org/10.1086/512813
Cases of Swine Influenza in Humans: A Review of the Literature

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As the threat of a pandemic looms, improvement in our understanding of interspecies transmission of influenza is necessary. Using the search terms “swine,” “influenza,” and “human,” we searched the PubMed database in April 2006 to identify publications describing symptomatic infections of humans with influenza viruses of swine origin. From these reports, we extracted data regarding demographic characteristics, epidemiological investigations, and laboratory results. We found 50 cases of apparent zoonotic swine influenza virus infection, 37 of which involved civilians and 13 of which involved military personnel, with a case-fatality rate of 14% (7 of 50 persons). Most civilian subjects (61%) reported exposure to swine. Although sporadic clinical cases of swine influenza occur in humans, the true incidence of zoonotic swine influenza virus infection is unknown. Because prior studies have shown that persons who work with swine are at increased risk of zoonotic influenza virus infection, it is prudent to include them in pandemic planning efforts.

Journal Article.  2942 words.  Illustrated.

Subjects: Infectious Diseases ; Immunology ; Public Health and Epidemiology ; Microbiology

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