**Avian Influenza Surveillance Dashboard Update** The USDA's Wild Bird Avian Influenza Surveillance Dashboard will be updated weekly on Wednesdays to reflect the latest data on avian influenza in North America. **New CDC Recommendations** The CDC has developed new interim recommendations for the prevention, monitoring, and public health response to avian influenza. These recommendations are based on the latest scientific data and best practices. **What is Avian Influenza?** Avian influenza (AI) is caused by an influenza type A virus that can infect poultry and other birds. The virus can cause a range of clinical signs, from mild respiratory symptoms to severe disease and death. **Distribution of Highly Pathogenic Avian Influenza** The USDA is currently tracking the distribution of highly pathogenic avian influenza (HPAI) in North America. HPAI is a highly contagious and deadly form of AI that can cause significant economic losses to the poultry industry. **USDA Resources** The USDA provides a variety of resources on avian influenza, including information on prevention, control, and response. These resources are available online at the USDA website. **For More Information** For more information on avian influenza, please visit the following websites: * USDA Wild Bird Avian Influenza Surveillance Dashboard: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/avian/avian-influenza/wild-birds * CDC Avian Influenza: https://www.cdc.gov/flu/avianflu/index.htm * USDA Avian Influenza: https://www.usda.gov/avian-influenza
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**Avian Influenza Surveillance Dashboard Update** The USDA's Wild Bird Avian Influenza Surveillance Dashboard will be updated weekly on Wednesdays to reflect the latest data on avian influenza in North America. **New CDC Recommendations** The CDC has developed new interim recommendations for the prevention, monitoring, and public health response to avian influenza. These recommendations are based on the latest scientific data and best practices. **What is Avian Influenza?** Avian influenza (AI) is caused by an influenza type A virus that can infect poultry and other birds. The virus can cause a range of clinical signs, from mild respiratory symptoms to severe disease and death. **Distribution of Highly Pathogenic Avian Influenza** The USDA is currently tracking the distribution of highly pathogenic avian influenza (HPAI) in North America. HPAI is a highly contagious and deadly form of AI that can cause significant economic losses to the poultry industry. **USDA Resources** The USDA provides a variety of resources on avian influenza, including information on prevention, control, and response. These resources are available online at the USDA website. **For More Information** For more information on avian influenza, please visit the following websites: * USDA Wild Bird Avian Influenza Surveillance Dashboard: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/avian/avian-influenza/wild-birds * CDC Avian Influenza: https://www.cdc.gov/flu/avianflu/index.htm * USDA Avian Influenza: https://www.usda.gov/avian-influenza
**Avian Influenza Surveillance Dashboard Update** The USDA's Wild Bird Avian Influenza Surveillance Dashboard will be updated weekly on Wednesdays to reflect the latest data on avian influenza in North America. **New CDC Recommendations** The CDC has developed new interim recommendations for the prevention, monitoring, and public health response to avian influenza. These recommendations are based on the latest scientific data and best practices. **What is Avian Influenza?** Avian influenza (AI) is caused by an influenza type A virus that can infect poultry and other birds. The virus can cause a range of clinical signs, from mild respiratory symptoms to severe disease and death. **Distribution of Highly Pathogenic Avian Influenza** The USDA is currently tracking the distribution of highly pathogenic avian influenza (HPAI) in North America. HPAI is a highly contagious and deadly form of AI that can cause significant economic losses to the poultry industry. **USDA Resources** The USDA provides a variety of resources on avian influenza, including information on prevention, control, and response. These resources are available online at the USDA website. **For More Information** For more information on avian influenza, please visit the following websites: * USDA Wild Bird Avian Influenza Surveillance Dashboard: https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/avian/avian-influenza/wild-birds * CDC Avian Influenza: https://www.cdc.gov/flu/avianflu/index.htm * USDA Avian Influenza: https://www.usda.gov/avian-influenza
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**Avian Influenza Virus H5N1 Remains Infectious at Low Temperatures for Extended Periods** **New Research Highlights the Resilience of the Highly Pathogenic Virus** In a recent study published in the journal "Semantic Scholar," researchers have investigated the effects of various physico-chemical factors on the survival of the avian influenza virus H5N1. The findings have significant implications for understanding the transmission and control of this highly pathogenic virus. According to the researchers, the H5N1 virus exhibited remarkable resilience at low temperatures. Experiments showed that the virus retained its infectivity at 4 degrees Celsius (39.2 degrees Fahrenheit) for over 100 days. This extended survival period suggests that the virus can persist in the environment for prolonged durations, even in cold climates. The study also analyzed the effects of other environmental factors on virus survival. The virus was found to be relatively stable at neutral pH levels (pH 7) but lost infectivity rapidly at acidic (pH 3) or alkaline (pH 11) conditions. Similarly, exposure to organic solvents, such as chloroform and ether, had a significant inactivating effect on the virus. These findings provide valuable insights into the ecology and epidemiology of H5N1. The virus's ability to remain infectious at low temperatures underscores the potential for its long-term persistence in poultry populations and the environment. This highlights the importance of comprehensive biosecurity measures and stringent hygiene practices to minimize the risk of viral transmission and outbreaks. Moreover, the study demonstrates the susceptibility of H5N1 to environmental cues, such as pH and organic solvents. This information can potentially guide the development of novel antiviral agents and intervention strategies aimed at controlling the spread of the virus. The research team emphasizes that further studies are needed to elucidate the molecular mechanisms underlying the virus's survival and to develop effective countermeasures against this global health threat.
**Avian Influenza Outbreak Raises Concerns for Poultry Industry** **Bird flu**, also known as Avian Influenza, is a viral infection that primarily affects wild water birds but can also spread to domestic poultry. The disease is caused by Type A influenza viruses, and it can range in severity from mild to severe. **Symptoms of Bird Flu in Birds:** Most wild birds infected with bird flu viruses do not exhibit any symptoms of illness. However, in some cases, birds may develop respiratory problems, swelling of the head and neck, and decreased egg production. **Transmission of Bird Flu:** Bird flu is spread through contact with infected birds or their bodily fluids. This can occur through direct contact, such as touching or handling infected birds, or through indirect contact, such as contact with contaminated surfaces or equipment. **Impact on Poultry Industry:** Outbreaks of bird flu can have a significant impact on the poultry industry. Infected birds can quickly spread the disease through their flocks, leading to extensive losses. In severe cases, entire flocks may need to be destroyed to prevent further spread. **Prevention and Control:** To prevent and control the spread of bird flu, poultry farmers should implement strict biosecurity measures, including: * Isolating birds from wild waterfowl * Practicing good hygiene and sanitation * Properly disposing of dead birds * Vaccinating poultry against bird flu **Public Health Concerns:** While bird flu primarily affects birds, it can also pose a risk to public health. In rare cases, humans can become infected with bird flu viruses through close contact with infected birds or their bodily fluids. Symptoms of bird flu in humans can range from mild respiratory symptoms to severe pneumonia and organ failure. **Current Outbreak:** Currently, there is an outbreak of bird flu affecting poultry farms in several countries around the world. Authorities are taking steps to contain the outbreak and prevent its spread. However, it remains a serious concern for the poultry industry and public health.
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