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..
**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.
**Bird Flu Vaccine Candidate Shows Promise** **Summary:** A significant breakthrough has been made in developing a vaccine candidate for a highly pathogenic avian influenza (bird flu) virus. Despite the severity of the virus in birds, infected cows have not succumbed to the disease. **Details:** * Researchers have created a candidate vaccine virus (CVV) that can safely be administered to poultry. * The CVV aims to protect birds from the deadly virus. * Vaccination will help prevent the spread of bird flu among both poultry and humans. **Current Situation in the United States:** * The US is experiencing an unprecedented outbreak of bird flu since January 2022. * Season flu vaccines do not protect against bird flu. * Strict measures are in place to prevent the spread of the virus between birds and people. **Importance of Vaccination:** * Vaccination of poultry is crucial for controlling the spread of bird flu. * Preventing infection in birds will reduce the risk of transmission to humans. **Call to Action:** * Individuals are urged to take necessary precautions to prevent the spread of bird flu. * Bird owners should practice good biosecurity measures, such as keeping birds indoors and away from wild birds. * Report any sick or dead birds to local authorities.
**New Insights into the Transmission and Lifecycle of Bird Flu** Researchers have identified two primary modes of transmission for avian influenza A (bird flu) viruses: from infected birds to other animals and potentially to humans. **Transmission Pathways** * **Direct contact:** Infected birds shed virus particles in feces, saliva, and respiratory droplets, which can be transmitted to other birds or animals through contact with contaminated surfaces or bodily fluids. * **Indirect contact:** Virus-contaminated objects, such as food, water, or equipment, can serve as vehicles for transmission to other animals. **Lifecycle of Influenza Viruses** The influenza virus lifecycle consists of several key stages: * **Entry:** The virus penetrates the host cell and releases its genetic material (vRNPs) into the nucleus. * **Replication:** The virus uses the host cell's machinery to replicate its genetic material and assemble new virus particles. * **Assembly:** New virus particles are assembled within the host cell. * **Release:** Mature virus particles bud from the host cell membrane and are released into the environment. **Influenza A Virus** Influenza A virus (IAV) is the primary cause of influenza in humans, commonly known as the flu. It infects billions of people annually, leading to a range of symptoms from mild fever to severe respiratory complications. **Cross-Species Transmission** Avian influenza viruses (AIVs) can occasionally cross into new species, such as chickens or pigs. These zoonotic events can pose a significant health risk, as AIVs have the potential to cause severe disease in humans. **Hybrid Virus Transmission Patterns** Researchers have analyzed the transmission patterns of H5N1 and H5N2 influenza viruses among avian species. Their findings suggest that distinct groups of birds played different roles in virus transmission, with some species acting as amplifiers and others as potential reservoirs.
Sites Duke Express
Comments