Flu vaccine - may not work in older people
Over the last 20 - 25 years there has been a big increase in high-income nations in the number of older people being vaccinated yearly for the ‘Flu virus. But now, some scientists are calling for some placebo effect trials to test the efficacy of such high numbers of people getting vaccinated.
Despite the increase of those being vaccinated in the US, 15% - 65% from 1980, there has been no decline in the number of US flu related deaths.
