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Laboratory-confirmed deaths caused by influenza A (H1N1)pdm09 in the Santa Catarina State, Brazil, 2009-2014

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  • Laboratory-confirmed deaths caused by influenza A (H1N1)pdm09 in the Santa Catarina State, Brazil, 2009-2014

    Rev Soc Bras Med Trop. 2016 Jul-Aug;49(4):486-490. doi: 10.1590/0037-8682-0045-2016.
    Laboratory-confirmed deaths caused by influenza A (H1N1)pdm09 in the Santa Catarina State, Brazil, 2009-2014.

    Pereira RD1, Kupek E1.
    Author information

    Abstract

    INTRODUCTION: :

    Little information is available on the evolution of influenza A (H1N1)pdm09-related mortality in Brazil.
    METHODS::

    During the period 2009-2014, official epidemiological surveillance and mortality data were used to ascertain influenza-related deaths in the Santa Catarina State in Brazil.
    RESULTS::

    The highest overall mortality rate (2.3 per 100,000) was observed in 2009. Pregnant women constituted the highest risk group (mortality rate 18.0 per 100,000). Following vaccination of high-risk groups, the rate reduced sharply but peaked again in 2012. It subsequently decreased, albeit more gradually.
    CONCLUSIONS::

    Influenza A (H1N1)pdm09 mortality demonstrated a cyclic pattern, with two peaks followed by a gradual decrease.


    PMID: 27598636 DOI: 10.1590/0037-8682-0045-2016
    [PubMed - as supplied by publisher]
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