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. 2014 Oct 3;63(39):861-4.

Update: influenza activity -- United States and worldwide, May 18-September 20, 2014

Lenee Blanton, Lynnette Brammer, Sophie Smith, Desiree Mustaquim, Craig Steffens, Anwar Isa Abd Elal, Larisa Gubareva, Henrietta Hall, Teresa Wallis, Julie Villanueva, Xiyan Xu, Joseph Bresee, Nancy Cox, Lyn Finelli; Centers for Disease Control and Prevention (CDC)

Update: influenza activity -- United States and worldwide, May 18-September 20, 2014

Lenee Blanton et al. MMWR Morb Mortal Wkly Rep. .

Abstract

During May 18-September 20, 2014, the United States experienced low levels of seasonal influenza activity overall. Influenza A (H1N1)pdm09 (pH1N1), influenza A (H3N2), and influenza B viruses were detected worldwide and were identified sporadically in the United States. In August, two influenza A (H3N2) variant viruses (H3N2v) were detected in Ohio. This report summarizes influenza activity in the United States and worldwide during May 18-September 20, 2014.

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Figures

FIGURE
FIGURE
Number* and percentage of respiratory specimens testing positive for influenza reported by World Health Organization and National Respiratory and Enteric Virus Surveillance System collaborating laboratories in the United States, by type, subtype, and week — United States, May 18–September 20, 2014† * N = 3,209. † As of September 26, 2014.
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References

    1. Brammer L, Blanton L, Epperson S, et al. Surveillance for influenza during the pH1N1 pandemic—United States, April 2009–March 2010. Clin Infect Dis. 2011;52(Suppl 1):S27–35. - PubMed
    1. World Health Organization. H5N1 highly pathogenic avian influenza: timeline of major events, 14 July 2014. Geneva, Switzerland: World Health Organization; 2014. Available at http://www.who.int/influenza/human_animal_interface/h5n1_avian_influenza....
    1. World Health Organization. Disease outbreak news. Geneva, Switzerland: World Health Organization; 2014. Available at http://www.who.int/csr/don.
    1. Grohskopf LA, Olsen SJ, Sokolow LZ, et al. Prevention and control of seasonal influenza with vaccines: recommendations of the Advisory Committee on Immunization Practices (ACIP)—United States, 2014–15 influenza season. MMWR. 2014;63:691–7. - PMC - PubMed
    1. World Health Organization. Recommended composition of influenza virus vaccines for use in the 2015 southern hemisphere influenza season. Geneva, Switzerland: World Health Organization; 2014. Available at http://www.who.int/influenza/vaccines/virus/recommendations/2015_south.

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