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#Avian #Influenza #H7N9 in #China: Preventing the Next #SARS (@WHO, Apr. 2 ‘17)

  Title : #Avian #Influenza #H7N9 in #China: Preventing the Next #SARS. Subject : Avian Influenza, H7N9 subtype (Asian Lineage), poultry e...

28 Apr 2017

Weekly #US #Influenza #Surveillance #Report - 2016-17 Season, Wk 16 ending Apr. 22 ‘17 (@CDCgov, summary)

 

Title: Weekly #US #Influenza #Surveillance #Report - 2016-17 Season, Wk 16 ending Apr. 22 ‘17.

Subject: Human Influenza Viruses, seasonal winter epidemic in the US, current situation.

Source: US Centers for Disease Control and Prevention (CDC), FluView, full page: (LINK). Summary.

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Weekly U.S. Influenza Surveillance Report - 2016-2017 Influenza Season Week 16 ending April 22, 2017

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Language: [ English | Español ]

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|-- Full report also available as PDF –|

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All data are preliminary and may change as more reports are received.

 

Synopsis:

    • During week 16 (April 16-22, 2017), influenza activity decreased in the United States.
  • Viral Surveillance:
    • The most frequently identified influenza virus type reported by public health laboratories during week 16 was influenza B.
    • The percentage of respiratory specimens testing positive for influenza in clinical laboratories decreased.
  • Pneumonia and Influenza Mortality:
    • The proportion of deaths attributed to pneumonia and influenza (P&I) was below the system-specific epidemic threshold in the National Center for Health Statistics (NCHS) Mortality Surveillance System.
  • Influenza-associated Pediatric Deaths:
    • Six influenza-associated pediatric deaths were reported.
  • Influenza-associated Hospitalizations:
    • A cumulative rate for the season of 62.7 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 1.8%, which is below the national baseline of 2.2%.
    • Two of ten regions reported ILI at or above their region-specific baseline levels.
    • Four states experienced low ILI activity; New York City, Puerto Rico, and 46 states experienced minimal ILI activity; and the District of Columbia had insufficient data.
  • Geographic Spread of Influenza:
    • The geographic spread of influenza in seven states was reported as widespread; Guam, Puerto Rico and 11 states reported regional activity; the District of Columbia and 19 states reported local activity; 13 states reported sporadic activity; and the U.S. Virgin Islands reported no activity.

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Keywords: US CDC; USA; Updates; Seasonal Influenza.

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