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Exposure to seasonal flu weakened armour against H1N1

Faulty antibodies from previous infections boosted severity of swine flu in the middle-aged.

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  1. Monsalvo, A. C. et al. Nature Medicine doi:10.1038/nm.2262 (2010).

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Weaver, J. Exposure to seasonal flu weakened armour against H1N1. Nature (2010).

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