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H7N9 Bird Flu Detected in U.S. Poultry for First Time Since 2017

Mississippi officials confirm outbreak as global concerns rise over H5N1's spread to mammals and food security impacts.

  • The H7N9 strain of bird flu has been confirmed in a Mississippi poultry farm, marking the first U.S. outbreak of this strain since 2017.
  • Approximately 46,000 birds were culled to contain the outbreak, with the USDA and state officials conducting enhanced surveillance and investigations.
  • The H5N1 strain continues to spread globally, infecting mammals and causing significant disruptions to poultry farming and food systems.
  • While no sustained human-to-human transmission has been confirmed, H7N9 has a 39% fatality rate in humans, underscoring its potential public health risk.
  • The FAO and WHO emphasize the need for coordinated global action to strengthen biosecurity and mitigate economic and health impacts.
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