Transmission of Pandemic (H1N1) 2009 Influenza to Healthcare Personnel in the United States

After identification of pandemic 2009 influenza (pH1N1) in the United States, the Centers for Disease Control and Prevention (CDC) worked with state and local health officials to characterize infections among healthcare personnel (HCP). Detailed information, including likely routes of exposure, was...

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Bibliographic Details
Published in:Clinical infectious diseases 2011-01, Vol.52 (suppl_1), p.S198-S204
Main Authors: Wise, Matthew E., De Perio, Marie, Halpin, John, Jhung, Michael, Magill, Shelley, Black, Stephanie R., Gerber, Susan I., Harriman, Kathleen, Rosenberg, Jon, Borlaug, Gwen, Finelli, Lyn, Olsen, Sonja J., Swerdlow, David L., Kallen, Alexander J.
Format: Article
Language:English
Subjects:
Adult
Community-Acquired Infections - epidemiology
Community-Acquired Infections - transmission
Community-Acquired Infections - virology
Cross Infection - epidemiology
Cross Infection - transmission
Cross Infection - virology
Disease control
Disease prevention
Disease transmission
Disease Transmission, Infectious - statistics & numerical data
Diseases
Female
H1N1 subtype influenza A virus
Health care industry
Humans
Immunization
Infection control
Infections
Influenza A Virus, H1N1 Subtype - isolation & purification
Influenza, Human - epidemiology
Influenza, Human - transmission
Influenza, Human - virology
Male
Mechanical ventilators
Medical personnel
Middle Aged
Nurses
Pandemics
Preventive medicine
Respiratory Protective Devices - utilization
Swine flu
United States - epidemiology
Young Adult
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Summary:After identification of pandemic 2009 influenza (pH1N1) in the United States, the Centers for Disease Control and Prevention (CDC) worked with state and local health officials to characterize infections among healthcare personnel (HCP). Detailed information, including likely routes of exposure, was reported for 70 HCP from 22 states. Thirty-five cases (50%) were classified as being infected in healthcare settings, 18 cases (26%) were considered to have been infected in community settings, and no definitive source was identified for 17 cases (24%). Of the 23 HCP infected by ill patients, only 20% reported using an N95 respirator or surgical mask during all encounters and more than half worked in outpatient clinics. In addition to community transmission, likely patient-to-HCP and HCP-to-HCP transmission were identified in healthcare settings, highlighting the need for comprehensive infection control strategies including administration of influenza vaccine, appropriate management of ill HCP, and adherence to infection control precautions.
ISSN:1058-4838
1537-6591
DOI:10.1093/cid/ciq038