WEB Avian influenza A bird flu viruses may be transmitted from infected birds to other animals and potentially to humans in two main ways Directly from infected birds or from avian influenza A virus. It can be transmitted freely within and among cervid populations. Take Action to Prevent the Spread of Flu Between Birds and People Influenza antiviral drugs can be used to treat influenza infections. WEB Elinor L Baron MD DTMH Since the early 20 th century there have been four. WEB Migratory birds especially waterfowl are a natural reservoir of the avian influenza virus They carry and exchange different virus strains along their migration routes leading to..
Researchgate
WEB Avian influenza A bird flu viruses may be transmitted from infected birds to other animals and potentially to humans in two main ways Directly from infected birds or from avian influenza A virus. It can be transmitted freely within and among cervid populations. Take Action to Prevent the Spread of Flu Between Birds and People Influenza antiviral drugs can be used to treat influenza infections. WEB Elinor L Baron MD DTMH Since the early 20 th century there have been four. WEB Migratory birds especially waterfowl are a natural reservoir of the avian influenza virus They carry and exchange different virus strains along their migration routes leading to..
**Deadly H5N1 Bird Flu Emerges in China** In 1996, a highly pathogenic avian influenza strain known as H5N1 was first discovered in domestic waterfowl in Southern China. The virus quickly spread, leading to outbreaks in poultry in 1997. In recent years, H5N1 has re-emerged as a significant threat to both poultry and humans. In 2022-2023, South Korea's national wild bird surveillance program detected 174 cases of highly pathogenic H5N1 viruses. **Outbreak Affects Dairy Cows in the US** The virus has also been found in dairy cows in the United States, raising concerns among scientists. This spread has been described as startling, given the global tracking of the virus. **Historical Context** The Asian H5N1 virus first came to attention in 1996 in Guangdong Province, China, where it caused the death of geese. However, it did not gain widespread recognition until it began spreading through live-poultry markets. **Public Health Implications** H5N1 is a serious threat to human health. While human infections are relatively rare, the virus has a high mortality rate in those who do become infected. It is important for people to take precautions to protect themselves from exposure to H5N1, including avoiding contact with infected poultry or poultry products. Researchers are working to develop vaccines and treatments for H5N1, but the virus remains a significant public health concern.
**Bird Flu Evolution Creates Distinct Avian Influenza Lineages** Researchers have discovered that avian influenza A viruses infecting birds have evolved into unique genetic lineages. This discovery is based on the work of several scientific studies: * **Avian influenza A virus H7N7 associated with human conjunctivitis and a fatal case of acute respiratory distress syndrome** by Fouchier RA et al. * **Dominant subtype switch in avian influenza viruses during 2016-2019 in China** by Yuhai Bi et al. * **Prediction of avian influenza virus subtype** by Hyeon-Chun Park et al. These studies indicate that humans can be infected by various influenza viruses, including those from birds, swine, and other animals. The evolution of distinct lineages among avian influenza viruses suggests that these viruses are constantly adapting and poses potential risks to human health. Further research is needed to understand the implications of these findings and develop effective strategies to prevent avian influenza transmission to humans.
**H5N1 Avian Influenza Detection Technologies Advance** In a recent paper, researchers delve into the detection technologies employed in identifying the H5N1 avian influenza virus. The virus, a major threat to the poultry industry globally, prompts concerns for human health as well. Various detection technologies are discussed, including: * **Serological Detection:** This technique involves detecting antibodies produced by the body's immune system in response to the virus. * **Immunological Detection:** This approach utilizes monoclonal antibodies or polyclonal antibodies to specifically target and identify virus antigens. The study emphasizes the importance of accurate and rapid detection of H5N1 to prevent its spread and mitigate potential outbreaks. By employing these advanced detection technologies, researchers aim to enhance surveillance and early detection measures. **Additional Key Findings:** * The entire H5N1 highly pathogenic avian influenza viral genomes were identified in frozen autopsy specimens from an infected patient. * The technical report on H5N1 and previous reports are accessible on the designated webpage. The advancements in H5N1 detection technologies contribute to the global efforts to safeguard poultry and human health from the virus's potential impact.
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