DENVER, Colo - The flu season is starting to pick up, despite a slow start, according to the Centers for Disease Control.
The CDC says the predominant strain of flu this year is H3N2 which is covered by the flu vaccine.
Doctors are encouraging people to get vaccinated, because the CDC says H3 years can be more severe.
Dr. Michelle Barron, the Medical Director for Infection Control at University of Colorado Hospital, said flu cases so far have been sporadic, but could skyrocket any time.
"Typically by December or January we've already seen a huge number," Barron said.