Science Questions

Can people spread the 'flu without getting the symptoms themselves?

Sun, 13th Nov 2011

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John, Peterborough asked:

When my wife gets a bad cold or flu I don't get it but I pass it on to my workmates. Why?


John -  Yeah, that's an interesting one.  So probably about a third of people who get infected with flu don't display any obvious symptoms.  They may display something very mild that they might not even notice it themselves.  And they have the potential at least to spread the infection although to be honest, we really don't know whether they genuinely do or not and Id love John in Peterborough to log on to the flu survey and tell us more about his illness and the spread because he just seems like a fascinating person.



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