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Outbreaks of avian influenza A (H5N1) have been occurring in recent years, and the virus has been spreading in bird populations from Asia to Europe and Africa, and to the Americas in 2021, becoming endemic in poultry populations in many countries.
30 kwi 2024 · These wild bird-adapted HPAI H5N1 viruses were first identified in Europe during the fall of 2020 and spread across Europe and into Africa, the Middle East and Asia 2. During 2020, five human cases of HPAI H5N6 virus infection were reported in China.
In late 2016 and early 2017, there were outbreaks of HPAI H5N8 virus in domestic poultry and wild birds in Europe, Asia, and parts of Africa. In early 2017, the World Health Organization (WHO) reported human infections with Asian lineage H7N9 bird flu.
This page provides references for a brief background, timeline, and summary of significant past outbreaks of bird flu in wild birds, domestic poultry, and people.
This page provides a brief background, timeline, and summary of significant past outbreaks of bird flu in wild birds, domestic poultry, and people. Background The first description of avian influenza (bird flu) dates to 1878 in northern Italy, when it was described as a contagious disease of poultry associated with high mortality, referred to ...
6 maj 2019 · We describe the genesis of novel influenza A virus strains by reassortment and evolution in wild and domestic bird populations, as well as the role of wild bird migration in their long-range...
21 mar 2024 · The below timeline gives a summary of signiJcant HPAI and LPAI outbreaks in birds, infections in people, and events from 2020-2022. Background | 1880s – 1950s | 1960s – 1990s | 2000s | 2010s | 2020s | References
