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Influenza-associated pediatric mortality and staphylococcus aureus co-infection
  • Published Date:
    1/30/08
  • Source:
    HAN ; 268
  • Language:
    English
Filetype[PDF-26.50 KB]


Details:
  • Corporate Authors:
    Centers for Disease Control and Prevention (U.S.)
  • Series:
  • Description:
    Wednesday, January 30, 2008, 19:17 EST (07:17 PM EST)

    CDCHAN-00268-2008-02-20-ADV-N

    CDC is requesting that states report all cases of influenza-related pediatric mortality during the 2007-2008 influenza season. This health advisory contains updated information about influenza and bacterial coinfections in children and provides interim testing and treatment recommendations.

    Since 2004, the Influenza-Associated Pediatric Mortality Surveillance System, part of the Nationally Notifiable Disease Surveillance System, has collected information on deaths among children due to laboratory-confirmed influenza, including the presence of other medical conditions and bacterial infections at the time of death. From October 1, 2006 through September 30, 2007, 73 deaths from influenza in children were reported to CDC from 39 state health departments and two city health departments. Data on the presence (or absence) of bacterial co-infections were recorded for 69 of these cases; 30 (44%) had a bacterial co-infection, and 22 (73%) of these 30 were infected with Staphylococcus aureus.

    The number of pediatric influenza-associated deaths reported during 2006-07 was moderately higher than the number reported during the two previous surveillance years; the number of these deaths in which pneumonia or bacteremia due to S. aureus was noted represents a five-fold increase. Only one S. aureus co-infection among 47influenza deaths was identified in 2004-2005, and 3 co-infections among 46 deaths were identified in 2005-2006. Of the 22 influenza deaths reported with S. aureus in 2006-2007, 15 children had infections with methicillin-resistant S. aureus (MRSA).

    The median age of children with S. aureus co-infection was older than children without S. aureus coinfection (10 years versus 5 years, p<.01) and children with co-infection were more likely to have pneumonia and Acute Respiratory Distress Syndrome (ARDS). Influenza strains isolated from these children were not different from common strains circulating in the community, and the MRSA strains have been similar to those associated with MRSA skin infection outbreaks in the United States.

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