FluView : 2016-2017 influenza season week 5 ending February 4, 2017
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FluView : 2016-2017 influenza season week 5 ending February 4, 2017

Filetype[PDF-1.28 MB]


English
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Details:

  • Journal Article:
    FluView
  • Corporate Authors:
    National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
  • Description:
    All data are preliminary and may change as more reports are received.

    During week 5 (January 29-February 4, 2017), influenza activity increased in the United States.

    • Viral Surveillance: The most frequently identified influenza virus subtype reported by public health laboratories during week 5 was influenza A (H3). The percentage of respiratory specimens testing positive for influenza in clinical laboratories increased.

    • Pneumonia and Influenza Mortality: The proportion of deaths attributed to pneumonia and influenza (P&I) was above the system-specific epidemic threshold in the National Center for Health Statistics (NCHS) Mortality Surveillance System.

    • Influenza-associated Pediatric Deaths: Five influenza-associated pediatric deaths were reported.

    • Influenza-associated Hospitalizations: A cumulative rate for the season of 24.3 laboratory-confirmed influenza-associated hospitalizations per 100,000 population was reported.

    • Outpatient Illness Surveillance:The proportion of outpatient visits for influenza-like illness (ILI) was 4.8%, which is above the national baseline of 2.2%. All 10 regions reported ILI at or above their region-specific baseline levels. New York City and 23 states experienced high ILI activity; 10 states experienced moderate ILI activity; Puerto Rico and eight states experienced low ILI activity; nine states experienced minimal ILI activity; and the District of Columbia had insufficient data.

    • Geographic Spread of Influenza: The geographic spread of influenza in Puerto Rico and 43 states was reported as widespread; Guam and six states reported regional activity; the District of Columbia and one state reported local activity; and the U.S. Virgin Islands reported no activity.

    External_F1705.pdf

  • Subjects:
  • Series:
    FluView : 2016-2017 Influenza Season ; Week 5
  • Document Type:
    Webpage
  • Genre:
    Statistics
  • Place as Subject:
    United States
  • Collection(s):
  • Main Document Checksum:
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  • File Type:

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