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Thursday, October 18, 2007

Flu vaccine

The researchers found no evidence that the vaccine lowers the risk of admission to hospital in winter among elderly patients with acute respiratory disease (Vaccine doi: 10.1016/j.vaccine.2007.09.005).

There are other papers that say just the opposite
Hows a poor statistical ignoramus t sort these things out.

Here one suggesting all we docs should take the needle

CONCLUSIONS: Programs to promote and facilitate influenza immunization for healthcare workers appear to reduce influenza-related morbidity and mortality in the elderly
Hayward, A.C., et al Br Med J 333:1241, December 16, 2006
RESULTS: Overall vaccination uptake rates, including full- and part-time staff, were 35% in intervention homes vs. 5% in control homes in 2003-2004, and 31% vs. 4% in 2004-2005. Vaccination rates among residents exceeded 70%. During 2003-2004, there was a statistical reduction in selected resident outcomes in intervention homes during the influenza season, including influenza- like illness (11% vs. 23%, NNT 4.5), hospital admission and GP consultations for influenza-like illness (0.3% vs. 2% [NNT 20.4] and 10% vs. 19% [NNT 5.8]), and all-cause mortality (11% vs. 15%, NNT 8.2). Similar trends were observed in 2004-2005, although overall influenza activity during that period was very low.

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