Some Elderly Immune to Swine Flu?

One of the most baffling features of the swine flu outbreak is that, unlike seasonal influenza, severe disease largely does not occur in the elderly. The U.S. Centers for Disease Control and Prevention (CDC) plans to release a detailed report that says some older people have antibodies that react to the novel H1N1 virus behind the swine flu outbreak.

CDC’s influenza chief, Nancy Cox, discussed this in an interview posted on ScienceInsider last week, but CDC’s Morbidity and Mortality Weekly Report later today or tomorrow will have a detailed account of the findings.

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