| Infants Hospitalized in Intensive Care Units With 2009 H1N1 Influenza Infection, California, 2009-2010. | |
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MedLine Citation:
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PMID: 22330172 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND: : The 2009 H1N1 influenza virus emerged in April 2009 and primarily affected children and young adults. Few reports describe 2009 H1N1 influenza infection in infants. This report describes the clinical and epidemiologic features of 2009 H1N1 influenza in critically ill infants younger than 1 year of age. METHODS: : Laboratory-confirmed cases were reported to the California Department of Public Health as part of public health surveillance for 2009 H1N1 influenza. Data were collected using standardized report forms and medical-chart abstractions. RESULTS: : From April 23, 2009 through May 1, 2010, 82 cases of infants hospitalized in the intensive care unit with 2009 H1N1 influenza were reported in California. Medical charts were available for 77 of the infants, whose median age was 109 days (range: 1-361 days). Twenty-seven (35%) infants had a gestational age of 36 weeks or less. More than half (46; 60%) of the infants had at least 1 reported chronic medical condition. Thirty-five (45%) infants required mechanical ventilation; 7 (9%) died. Five infants were hospitalized since birth and acquired influenza infection during their admission; 2 (40%) of these infants died. CONCLUSIONS: : Infants who are premature or with chronic conditions seem to be at increased risk for developing severe 2009 H1N1 influenza infection. We encourage clinicians to maintain high suspicion for influenza in infants when influenza viruses are circulating. Vaccination should be encouraged among contacts of infants <6 months of age, who are too young to be immunized or treated with licensed antivirals. Infection control measures should also be implemented in hospital settings to reduce nosocomial transmission. |
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Authors:
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Cynthia J Yen; Janice K Louie; Robert Schechter |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Pediatric infectious disease journal Volume: 31 ISSN: 1532-0987 ISO Abbreviation: Pediatr. Infect. Dis. J. Publication Date: 2012 Mar |
Date Detail:
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Created Date: 2012-02-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8701858 Medline TA: Pediatr Infect Dis J Country: United States |
Other Details:
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Languages: eng Pagination: e52-5 Citation Subset: IM |
Affiliation:
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From the Division of Communicable Disease Control, California Department of Public Health, Richmond, CA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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