FluView : 2017-2018 influenza season week 1 ending January 6, 2018
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FluView : 2017-2018 influenza season week 1 ending January 6, 2018

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English
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Details:

  • Corporate Authors:
    National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
  • Description:
    During week 1 (December 31, 2017-January 6, 2018), influenza activity increased in the United States.

    • Viral Surveillance: The most frequently identified influenza virus subtype reported by public health laboratories during week 1 was influenza A(H3). The percentage of respiratory specimens testing positive for influenza in clinical laboratories remained elevated.

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

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

    • Influenza-associated Hospitalizations: A cumulative rate of 22.7 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 5.8%, which is above the national baseline of 2.2%. All 10 regions reported ILI at or above region-specific baseline levels. New York City and 26 states experienced high ILI activity; Puerto Rico and 10 states experienced moderate ILI activity; the District of Columbia and six states experienced low ILI activity; and eight states experienced minimal ILI activity.

    • Geographic Spread of Influenza:The geographic spread of influenza in 49 states was reported as widespread; Guam and one state reported regional activity; the District of Columbia reported local activity; the U.S. Virgin Islands reported sporadic activity; and Puerto Rico did not report.

  • Series:
    FluView : 2017-2018 Influenza Season ; Week 1
  • Document Type:
    Webpage
  • Genre:
    Statistics
  • Place as Subject:
    United States
  • Pages in Document:
    17 numbered pages
  • Volume:
    2018
  • Issue:
    1
  • Collection(s):
  • Main Document Checksum:
  • Download URL:
  • File Type:

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