NBC News’ Dr. John Torres visits one of America’s busiest emergency rooms to find out why the flu season is so bad and what symptoms people should look for.
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Why Is This Flu Season So Bad? | NBC Nightly News
Tags: NBC Nightly News, Nightly News, NBC, Lester Holt, NBC News, Breaking News, US News, World News, Politics News, Current Events, Top Stories, Health, U.S. News, Keeping You Healthy, Why Is This Flu Season So Bad, Dr. John Torres, John Torres visits one