Across the country, the flu is on the rise and experts say doctor visits are their highest since the H1N1 virus in 2009. And, for the first time in five years, the CDC put this flu season in the “high severity” category for all age groups. Dr. Shen Nagel, who practices in Wheat Ridge at Pediatrics West, an affiliate of Children's Hospital Colorado, offers perspective on the current flu season and how it's affecting both children and adults.
