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..
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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..
**Bird Flu Virus: Transmission and Human Health** **Date:** [Insert Date] Avian influenza, also known as bird flu, is a contagious viral infection that affects birds. The viruses responsible for bird flu are known as avian influenza A viruses (IAVs). **Transmission** Bird flu viruses can be transmitted from infected birds to other animals, including humans. Transmission typically occurs through contact with infected birds or their secretions, such as feces or saliva. **Human Infection** Transmission of bird flu viruses from birds to humans is infrequent. However, sporadic cases of human infection have occurred in many countries, usually after exposure to infected poultry or their products. Human infections can cause severe respiratory illness, including pneumonia. **Human-to-Human Transmission** Sustained human-to-human transmission of bird flu viruses has not been reported. However, limited human-to-human transmission has been documented in rare instances. **Transmission of Human Influenza** Human influenza virus, a different type of influenza virus, is primarily transmitted melalui inhalation of infectious droplets or airborne droplets produced by an infected person when they cough, sneeze, or talk. **Outbreaks** Outbreaks of bird flu can be significant, leading to the loss of millions of birds and economic losses in the poultry industry. The increasing number of H5N1 avian influenza cases in birds is a growing concern, as it may increase the risk of transmission to humans. **Prevention and Control** Preventing bird flu in humans involves avoiding contact with infected birds or their secretions. It is also crucial to practice good hygiene, such as washing hands frequently, and cooking poultry products thoroughly before consuming them. Additionally, surveillance programs to detect and control bird flu outbreaks in birds are essential to reduce the risk of virus spread and potential human exposure. If you experience any respiratory symptoms, including fever, cough, or difficulty breathing, after exposure to birds or poultry, it is important to seek medical attention immediately.
**Urgent Update: Interim Recommendations for Prevention of Avian Influenza A (H5N1)** As avian influenza (bird flu) continues to spread among wildlife and poultry worldwide, the Centers for Disease Control and Prevention (CDC) has issued interim recommendations for healthcare providers to help prevent human infections. **HPAI A(H5N1) Virus in Animals: A Growing Concern** The highly pathogenic avian influenza A (H5N1) virus has caused outbreaks in wild birds and poultry in recent years, with sporadic human infections reported. The virus is highly contagious in birds and can be fatal. **Interim Recommendations for Healthcare Providers** Clinicians are advised to consider HPAI A(H5N1) virus infection in patients exhibiting: * Acute respiratory illness * Conjunctivitis (pink eye) Additionally, patients who have had contact with infected birds or poultry should be assessed for possible exposure. **Prevention and Monitoring** To prevent human infection, healthcare providers are urged to: * Take precautions to prevent exposure to infected animals or contaminated environments. * Wear appropriate personal protective equipment (PPE). * Report suspected cases of HPAI A(H5N1) infection to local health authorities. * Stay informed about the latest updates on the outbreak. **Public Health Implications** While the risk of infection for the general public remains low, the CDC emphasizes the importance of public health surveillance and preparedness. Individuals who come into contact with infected animals or poultry are advised to: * Seek immediate medical attention if they experience respiratory symptoms or conjunctivitis. * Follow instructions from local health authorities. The CDC will continue to monitor the situation and provide updates as necessary. Healthcare providers are encouraged to stay informed and follow the recommended guidelines to protect both human and animal health.
**Influenza A Viruses: A Threat to Human and Animal Health** **Recent News from WEB Scientific Reports** Influenza A viruses (IAVs) are a major cause of respiratory illness in both humans and animals. The IAV genome consists of eight single-stranded RNA segments that encode various viral proteins. Swine influenza viruses, which can infect both pigs and humans, possess the unique ability to bind to different types of sialic acid receptors on host cells. This allows them to infect a wider range of hosts compared to other IAVs. Hemagglutinin, the major antigen of IAVs, is the target of protective immune responses. Vaccines and antiviral drugs are aimed at inhibiting hemagglutinin function to prevent or treat IAV infections. Influenza viruses are classified into three types: A, B, and C. Avian influenza viruses are all classified as type A influenza viruses. Human influenza viruses can be further divided into seasonal and pandemic strains. The influenza A virus genome comprises eight segments of single-stranded negative-sense RNA. Each segment has conserved 5' and 3' termini that are essential for viral replication and transcription. The H5N1 virus, which caused the 2004-2005 bird flu pandemic, has a unique genetic structure that allowed it to mutate into a form capable of infecting humans. This highlights the potential for influenza viruses to evolve and pose a significant threat to public health.
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