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..
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
**H5N1 Pandemic Risk: Low Probability, High Impact** **[April 3, 2024]** - A recent report highlights the potential risks of an H5N1 pandemic, emphasizing its low probability but high human health impact. Here are key points from the report: * **Ecology and Evolution:** Highly pathogenic avian influenza H5N1 viruses have evolved and adapted over time, increasing their transmissibility and pathogenicity in birds. * **Pandemic Risk:** While a pandemic is unlikely, it poses a significant threat to global public health due to the potential for rapid spread and high mortality rates. * **Human Disease:** H5N1 infections in humans are rare, but can be severe and lead to respiratory failure. Understanding human susceptibility and immune response is crucial for pandemic preparedness. * **Risk Indicators:** Signals that could raise public health concerns include multiple simultaneous human infections after exposure to birds or animals, indicating increased transmissibility or virulence. * **Public Health Response:** Preparedness efforts include surveillance, early detection, antiviral drugs, and vaccine development. Collaboration between public health agencies and researchers is essential for effective response. The report underscores the need for continued monitoring, scientific research, and pandemic preparedness measures to mitigate the potential risks associated with H5N1. While the probability of a pandemic remains low, its potential consequences are significant, requiring vigilance and proactive action.
WEB Avian Influenza Virus Tropism in Humans. WEB Avian influenza virus AIV can cross into new species and occasionally it can acquire the ability. WEB Avian influenza virus AIV can cross into new species and occasionally it can acquire the ability. ..
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**Avian Influenza: Understanding the Virus and Its Subtypes** **Introduction** Avian influenza, also known as bird flu, is a disease caused by infection with avian influenza Type A viruses. These viruses are highly contagious and can cause significant morbidity and mortality in birds. **Subtypes of AH7 Viruses** There are nine known subtypes of AH7 viruses: * AH7N1 * AH7N2 * AH7N3 * AH7N4 * AH7N5 * AH7N6 * AH7N7 * AH7N8 * AH7N9 **Transmission and Symptoms** Avian influenza viruses are primarily transmitted through direct contact with infected birds or their secretions. Humans can become infected through contact with infected birds or their contaminated environments. Symptoms of avian influenza in birds can include: * Respiratory distress * Swelling of the head and neck * Diarrhoea * Lethargy **Public Health Concerns** While avian influenza is primarily a concern for birds, it can also pose a risk to human health. Some strains of avian influenza virus have the potential to cause severe respiratory illness in humans, including: * Avian influenza A (H5N1) * Avian influenza A (H7N9) **Prevention and Control** Prevention and control of avian influenza include: * Biosecurity measures on poultry farms * Vaccination of poultry * Surveillance for infected birds * Early diagnosis and reporting of outbreaks * Protective measures for humans who interact with infected birds **Current Situation** In 2024, highly pathogenic avian influenza A (H5N1) has been detected in animals in several countries around the world. This strain poses a significant threat to poultry and wild bird populations, and is closely monitored by health authorities. Understanding the different subtypes of avian influenza viruses and their potential impact on both birds and humans is critical for effective prevention and control strategies.
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