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Flu shots don't work very well because they are grown in eggs, researchers say. Mutations caused by growing virus in eggs causes poor flu vaccine effectiveness.
Original Article: Why Your Flu Shot Won't Work Well This YearNEXT ARTICLE
A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism, and is often made from weakened or killed forms of the microbe, its toxins or one ...