Pigs are the ideal genetic mixing vessel to generate a human pandemic influenza strain, because they have receptors in their respiratory tracts which both avian and human flu viruses can bind to.
...finding bird flu in a pig raises worries that the virus may be hitting a stepping stone to becoming a bigger threat to people, said Jennifer Nuzzo, a Brown University pandemic researcher.
LONDON, Sept 17 (Reuters) - Malnutrition is the world's worst child health crisis and climate change will only make things more severe, according to Microsoft-co-founder turned philanthropist Bill Gates.
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