Flu shots on the rise at Walgreens

• Walgreen (WAG -0.3%) is out with its latest flu activity report amid what's believed to be a wider outbreak than last year.
• Based on today's read from Walgreen - residents of Mississippi, Kentucky, and Tennessee are most at risk this week.
• The company reported a 14.8% bump in flu shots administered in November.
• Typically, an increase in flu shots administered by Walgreens also boosts front-end sales at the drugstore chain.