The flu is just a disease. A disease may strike one species and not another species. Well it seems certain genetic markers are all it takes. A genetic variant which explains why Chinese populations may be more vulnerable to H1N1 swine flu has been found by researchers at the University of Oxford and Beijing Capital Medical University. This finding could help identify those at high risk of severe infection and help prioritize those in highest need of treatment. The study led by Dr Tao Dong of the University of Oxford showed that people with a specific genetic variant are six times more likely to suffer from severe influenza infection than those without.....