RealNews

H5N1 avian flu viruses trigger worse disease in adult cells than in children

Some avian influenza viruses, and particularly the dangerous H5N1 subtype, appear to prompt the human immune system to over-produce important pathogen-fighting chemicals called chemokines, triggering an exaggerated response that creates more damage than it fixes, a new study suggests. The study shows that at least with older versions of the H5N1 virus, this response – referred to as a cytokine storm – was significantly more acute in adults than children. Full Story

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