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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...

13 Feb 2017

#Avian #Influenza [#H5N1, #H5N6] Weekly #Update No. 571 (10 February 2017) (@WHO WPRO, edited)

 

Title: #Avian #Influenza [#H5N1, #H5N6] Weekly #Update No. 571 (10 February 2017).

Subject: Avian Influenza, H5 subtypes, human cases in the Western Pacific Region.

Source: World Health Organization (WHO), Office for the Western Pacific Region, full page: (LINK).

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Avian Influenza

Avian Influenza [H5N1, H5N6] Weekly Update No. 571 (10 February 2017)

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Human infection with avian influenza A(H5N1) virus

  • From 03 February to 09 February 2017, no new cases of human infection with avian influenza A(H5N1) virus were reported to WHO in the Western Pacific Region.
  • From January 2003 to 03 February 2017, a total of 238 cases of human infection with avian influenza A(H5N1) virus were reported from four countries within the Western Pacific Region (Table 1).
    • The last case was reported on 14 January 2016.
    • Of these cases, 134 were fatal, resulting in a case fatality rate (CFR) of 56%.
  • From January 2003 to 09 February 2017, there were 856 cases of human infection with avian influenza A(H5N1) virus reported from 16 countries worldwide.
    • Of these cases, 452 were fatal, resulting in a CFR of 52.8%.

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Human infection with avian influenza A(H5N6) virus

  • From 3 to 9 February 2017, no new cases of human infection with avian influenza A(H5N6) virus were reported to WHO in the Western Pacific Region.

 

Public health risk assessment for human infection with avian influenza A(H5) viruses

  • Whenever avian influenza viruses are circulating in poultry, sporadic infections and small clusters of human cases are possible in people exposed to infected poultry or contaminated environments, therefore sporadic human cases would not be unexpected.
  • With the rapid spread and magnitude of avian influenza outbreaks due to existing and new influenza A(H5) viruses in poultry in areas that have not experienced this disease in animals recently, there is a need for increased vigilance in the animal and public health sectors.
    • Community awareness of the potential dangers for human health is essential to prevent infection in humans.
    • Surveillance should be enhanced to detect human infections if they occur and to detect early changes in transmissibility and infectivity of the viruses.
  • For more information on confirmed cases of human infection with avian influenza A(H5) virus reported to WHO, visit: http://www.who.int/influenza/human_animal_interface/en/

 

Related links

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Keywords: WHO; Updates; Asian Region; Avian Influenza; H5N1; H5N6; Human.

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