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Study: More flu vaccine benefits people with HIV

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Individuals with HIV receive greater protection against the flu when given four times the normal dose of flu vaccine, a new study shows. Protective efficacy of the normal dose in HIV-infected people does not regularly show the 70% to 90% efficacy it does in healthy people. "For every antigen studied, the high-dose formulation resulted in an increased average antibody titer and higher seroconversion and seroprotective rates compared with the standard-dose influenza vaccine," the researchers wrote in the Annals of Internal Medicine. Story

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