Flu is making a comeback in US after an unusual year off

Registered nurse Megan Chamberlain gives a flu shot to Anthony Devitt, of Marlboro, Vt., during a flu vaccine clinic on Route 9, in Brattleboro, Vt., that was hosted by Visiting Nurse and Hospice for Vermont and New Hampshire on Oct. 26. (Kristopher Radder/The Brattleboro Reformer via AP, File)

The U.S. flu season has arrived on schedule after taking a year off, with flu hospitalizations rising and two child deaths reported.