• Bird Flu Tracker Avian Influenza A H5N1

  • Auteur(s): Quiet. Please
  • Podcast

Bird Flu Tracker Avian Influenza A H5N1

Auteur(s): Quiet. Please
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  • Résumé

  • Avian influenza or bird flu refers to the disease caused by infection with avian (bird) influenza (flu) Type A viruses. These viruses naturally spread among wild aquatic birds worldwide and can infect domestic poultry and other bird and animal species. Bird flu viruses do not normally infect humans. However, sporadic human infections with bird flu viruses have occurred.

    for more info go to https://www.cdc.gov/flu/avianflu/index.htm
    Copyright 2024 Quiet. Please
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Hygiene & Healthy Living Politique
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Épisodes
  • Bird Flu update for 02-24-2025

    Bird Flu update for 02-24-2025
    Feb 24 2025
    As of the last 48 hours, the H5N1 bird flu outbreak continues to be a significant public health and agricultural concern, both in the United States and globally.

    In the U.S., the bird flu has infected over 138 million birds across all 50 states and Puerto Rico, with recent outbreaks reported in commercial farms, including a notable case in Georgia, the nation's leading state for chicken production. This has led to the euthanization of millions of birds, severely impacting the poultry and egg industries. For instance, Rose Acre Farms, the second-largest egg producer in the U.S., recently confirmed an outbreak at its facility in Indiana, affecting 2.8 million birds[3][4].

    The virus has also spread to other animals, including dairy cows, with cases reported in 16 states. This cross-species transmission is a cause for concern, as it has been observed in mammals such as dolphins, polar bears, wild foxes, skunks, and seals, highlighting its unprecedented ability to jump species[3].

    As of February 18, 2025, the Centers for Disease Control and Prevention (CDC) reported 12,064 wild birds detected with the virus, and 51 jurisdictions have confirmed bird flu in wild birds. The poultry sector has been particularly hard hit, with 162,801,168 poultry affected as of February 21, 2025[1].

    Human cases have also been documented, with 67 confirmed cases in the U.S. since 2022, including one death reported in Louisiana in January 2025. The CDC emphasizes that while the public health risk remains low, individuals with job-related or recreational exposures to infected birds or other animals are at a higher risk of infection[2][5].

    Globally, the bird flu outbreak is described as the worst in history, with hundreds of millions of birds dead since it first emerged in domestic waterfowl in China in 1996. The virus has infected over 500 species, including 485 avian and at least 70 mammal species, posing an existential threat to biodiversity worldwide[3].

    The scientific community is vigilant about the potential for the H5N1 virus to mutate and acquire the ability to spread efficiently between humans, which could lead to a pandemic. Health agencies, including the CDC, are closely monitoring the situation, tracking virus transmission patterns, disease severity, and genetic changes in the virus[3][5].

    Prevention measures are crucial, with recommendations to avoid places where exposure is possible, wear personal protective equipment when in close contact with potentially infected animals, and ensure that poultry, eggs, and beef are cooked to safe internal temperatures to kill the virus. Pasteurized milk and milk products are also advised to prevent infection[2].

    The economic impact of the outbreak is significant, with billions of dollars in losses in the U.S. alone from poultry culling and decreased agricultural productivity. This has led to calls for improved biosecurity and vaccination strategies worldwide[3].
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    3 min
  • Bird Flu update for 02-21-2025

    Bird Flu update for 02-21-2025
    Feb 21 2025
    As of the last 48 hours, the bird flu situation, particularly the H5N1 avian flu, continues to be a significant public health concern globally, with a notable impact in the United States.

    In the U.S., the H5N1 avian flu outbreak remains widespread, affecting wild birds and poultry across the country. As of February 20, 2025, the CDC has reported 12,064 wild birds detected with the virus, and 51 jurisdictions have confirmed bird flu in wild birds. The outbreak has also affected dairy cows, with cases reported in 16 states. The total number of poultry affected has risen to 162,770,988[1].

    There have been recent human cases, with the total number of confirmed human cases in the U.S. now standing at 70. Two new hospitalizations were reported, one in a woman from Wyoming who was hospitalized in Colorado, and another in a patient in Ohio. Most human cases have been mild, but there has been one reported death in the U.S., involving a patient over 65 with underlying medical conditions[2].

    The CDC and health officials are closely monitoring the situation, particularly because some cases have been detected in individuals who did not report direct exposure to infected animals. For instance, three U.S. veterinarians working with cattle were found to have antibodies for H5 avian flu despite no reported exposures to infected animals[2].

    Globally, other strains of avian flu are also causing concern. In China, two adults were recently infected with the H9N2 avian flu, marking a departure from the typical pattern of mostly mild cases in children. These cases involved a 72-year-old woman and a 56-year-old woman from Guangdong province, with symptoms starting in late December 2024 and January 2025, respectively[3].

    The public health risk from bird flu is currently considered low, but there is ongoing vigilance due to the potential for the virus to mutate into a more easily transmissible form among humans. Health officials emphasize the importance of continued monitoring and adherence to protective measures, especially for those working with or around birds and other animals that could be infected[1][4][5].

    In summary, while the number of human cases remains relatively low, the widespread nature of the outbreak in animals and the potential for mutation make it a situation that requires continued attention and caution.
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    3 min
  • Bird Flu update for 02-20-2025

    Bird Flu update for 02-20-2025
    Feb 20 2025
    As of the last 48 hours, the H5 bird flu situation continues to evolve, with significant developments both in the United States and globally.

    In the U.S., the bird flu outbreak remains widespread, affecting wild birds, poultry, and other animals, including dairy cows. As of February 18, 2025, the CDC reported that 12,064 wild birds have been detected with the virus, and 51 jurisdictions have confirmed bird flu in wild birds. The poultry sector has been severely impacted, with 162,586,638 birds affected[1].

    Recent reports indicate that the virus has spilled over into dairy cattle, with six dairy herds in Nevada infected with the H5N1 genotype D1.1, a strain previously only detected in wild birds and poultry. This spillover is significant as it suggests multiple instances of the virus transitioning from birds to cattle, potentially marking a new phase in the outbreak. Experts fear this could lead to the virus becoming endemic in the U.S.[5].

    Human cases of bird flu have also been reported. As of late January 2025, there have been about 67 human cases in the U.S., with one death. The CDC is closely monitoring the situation and working with state health departments to track people with animal exposures. The current public health risk is considered low, but the CDC is using its flu surveillance systems to monitor for any unusual flu activity in people[2][3].

    Globally, other strains of avian flu are also causing concern. In China, two recent cases of H9N2 avian flu have been reported, involving a 72-year-old woman and a 56-year-old woman from Guangdong province. These cases highlight the ongoing circulation of avian flu viruses in parts of Asia, often linked to exposure to poultry or poultry environments[4].

    The USDA and other health agencies continue to emphasize the importance of monitoring and preventing exposure to avian influenza viruses. Recommendations include strict biosecurity measures for those working with animals, particularly in the poultry and dairy sectors, and continuous surveillance to track the spread of the virus[3].

    Overall, while the immediate public health risk from bird flu is currently considered low, the ongoing outbreaks in animals and sporadic human cases underscore the need for vigilant monitoring and preventive measures to mitigate the potential for further spread and severe outcomes.
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    3 min

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