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In this Wednesday, Feb. 7, 2018 file photo, a nurse prepares a flu shot at the Salvation Army in Atlanta. The U.S. government's Friday, Feb. 9, 2018 flu report showed the flu has further tightened its grip on the U.S. This season is now as intense as the swine flu epidemic nine years ago. (AP Photo/David Goldman)

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Flu season still getting worse; now as bad as 2009 swine flu

The flu has further tightened its grip on the U.S. This season is now as bad as the swine flu epidemic nine years ago.