This Saturday, Oct. 17, 2020 file photo shows influenza vaccine syringes at the L.A. Care Health Plan and Blue Shield of California Promise Health Plan's Community Resource Center's Free Drive-Thru vaccination event in Los Angeles. February is usually the peak of flu season, with doctors' offices and hospitals packed with suffering patients. But not in 2021. Flu has virtually disappeared, with reports coming in at far lower levels than anything seen in decades.

February 25, 2021