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What you need to know about the "flu" vaccine and answers to frequently asked questions.
Original Article: Flu Shot 101 – What You Need to Know for the Influenza SeasonNEXT 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 ...