Kittenman (971447) writes "The BBC is covering the ins and outs of Flu vaccines. According to the article, the vaccine is approximately 60% effectice, and it is the World Health Organization (WHO) that decide what strains (to a maximum of 3) are prevalent each year, and recommend that to go into the vaccine. And surprisingly, (or not), the recommendations for each hemisphere of the globe can be different. So are you more likely to get the flu if you fly from London to Sydney after a jab?"
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