Some Blood Groups More Susceptible to Norovirus Than Others

Winter is a common time for outbreaks of norovirus (the so called ‘winter vomitting bug) and this year is no exception. Figures released recently showed that around 500,000 individuals in the UK have already had the illness with numbers expected to rise in the next couple of weeks. So if you’ve not already had this nasty little bug what are your chances of getting it? Interestingly that to a certain extent appears to depend on your blood group. A number of studies have shown that blood group B are much less likely to develop the illness than the other blood groups and also that infection¬†is more likely if you have a positive¬†secretor status (some people secrete their blood group antigens into saliva and mucosal surfaces while others don’t).

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