Oct 3, 2023 · WHO fact sheet on avian influenza: includes key facts, definition, clinical features, antiviral treatment, risk factors for human infection, human pandemic potential, WHO response.

Human infection with avian influenza A (H5N1) virus: From 1 January 2003 to 21 December 2023, a total of 248 cases of human infection with avian influenza A (H5N1) virus were reported from four countries within the Western Pacific Region (Table 1). Of these cases, 139 were fatal.

May 16, 2024 · Avian influenza, sometimes known as bird flu, is a disease caused by a virus that mainly affects birds but can also affect mammals, including humans. It primarily spreads from infected birds to humans through close contact with birds or contaminated environments, such as in backyard poultry farm settings and at markets where birds are sold.

From 18 to 24 October 2024, no new outbreak of high pathogenicity avian influenza was reported to the World Organization for Animal Health (WOAH) from the Western Pacific Region. For more information on animal infection with avian influenza viruses …

Avian influenza: assessing the pandemic threat 7 some unknown time prior to 1997, the H5N1 strain of avian influenza virus began circulating in the poultry populations of parts of Asia, quietly establishing itself. Like other avian viruses of the H5 and H7 subtypes, H5N1 initially caused only mild disease with symptoms, such as ruffled feathers and

What is avian influenza and how does it spread? Avian influenza, also known as bird flu, is a highly contagious viral disease that affects domestic and wild birds. The disease has also been detected in mammals, including humans.

During 2020, highly pathogenic avian influenza (HPAI) A(H5N1) clade 2.3.4.4b viruses arose from previously circulating A(H5Nx) viruses and spread predominantly via migratory birds to many parts of Africa, Asia and Europe.

Apr 18, 2024 · The ongoing global spread of “bird flu” infections to mammals including humans is a significant public health concern, senior UN medics said on Thursday as they announced new measures to tackle...

Oct 16, 2024 · Avian, swine and other zoonotic influenza virus infections in humans may cause disease ranging from mild upper respiratory tract infection (fever and cough), to severe pneumonia, acute respiratory distress syndrome (breathing difficulties), shock and even death.

Avian influenza, commonly known as bird flu, is a disease caused by influenza viruses originating in birds. These viruses of the Orthomyxoviridae family include A(H5N1) but also other influenza viruses of avian origin. ... The World Health Organization (WHO) regularly updates potential vaccine candidates to be prepared for pandemics. This helps ...