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Influenza: more than “just the flu”

It happens every year. The days grow shorter, the temperature drops, footballs fly — and the flu strikes. Influenza is so common that it’s easy to dismiss this seasonal woe as “just a virus” or “just the flu.” It’s true that the flu is caused by a virus and that most patients recover without specific therapy. But it’s also true that thousands of Americans die from the flu each year and millions are sick enough…

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