This year's flu season may be a bad one. Here's why you need a flu shot. - NBC News

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This year's flu season may be a bad one. Here's why you need a flu shot. (https://www.nbcnews.com/health/health-news/year-s-flu-season-may-be-bad-one-here-s-n1054856) NBC NewsCold and flu season is almost here, and the best time to get a flu shot is now. There are already signs flu season 2019 may be severe.



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