Bird Flu Defense Ferret Study Suggests Seasonal Flus Secret Power

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· new research suggests that widespread immunity to h1n1 seasonal influenza virus may explain why exposure to h5n1 bird flu causes only mild symptoms in humans. · in experiments conducted in a biosafety level 3 facility, the researchers studied ferrets that had antibodies to seasonal flu viruses—including h1n1, h3n2, and influenza b—and … · the researchers found that upon exposure to ferrets with dairy cow h5n1 infections, ferrets without any influenza immunity rapidly developed severe and lethal disease. · recent seasonal flu infections protected ferrets against serious illness or death from an h5n1 bird flu virus, researchers reported july 23 in science translational medicine. · pre-existing immunity against seasonal h1n1 flu might help explain why most reported human cases of h5n1 bird flu in the u. s. · new study using ferrets, closest animal model for human flu, found influenza a infection, h1n1 in particular, may boost immunity to avian flu. Have not resulted in lethal outcomes, suggests … · the initial study found that the a/texas/37/2024 virus spread easily among ferrets (3 of 3 ferrets, or 100%) in direct contact with infected ferrets placed in the same enclosure. · a study in ferrets — which have remarkably similar respiratory systems to humans — suggests that widespread immunity to h1n1 seasonal influenza virus may explain why exposure … · new research led by scientists at penn state and the university of pittsburgh suggests that immunity to the 2009 pandemic h1n1 influenza virus may provide protection …