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A box of influenza vaccine shots is seen in the MinuteClinic at the CVS/pharmacy on January 6, 2014 in Fort Lauderdale, Florida. The 2013-2014 influenza season is starting to take off in the United States, with more than half the country reporting widespread cases of flu activity, according to the US Centers for Disease Control and Prevention.
While much of the country faces bitter cold, it's also deep into flu season.
According to the Centers for Disease Control, the number of states reporting widespread seasonal flu activity jumped from 10 to 25 last week. While California hasn't had too many cases yet, our next door neighbor Nevada is one of the hardest hit states.
For more, we're joined by Dr. Ihsan Azzam, Nevada's state epidemiologist.