In 2024, as zoos were hit hard by H5N1 bird flu, big cats were particularly affected: tigers, lions, a cheetah, and a panther ...

Reports of H5N1 avian influenza cases in Tarlac, Pampanga, and Nueva Ecija highlight the growing threat to the Philippine ...

Scientists today understand that bird influenza viruses, like human influenza viruses ... viruses have been infecting people directly: the H5N1 strain has struck in many nations, while H7N9 ...

They found that this strain, H2N2, was unlike any flu that humans were known to have encountered. When it reached the United States, no one would be immune. Hilleman moved quickly to alert the ...