PEORIA — A new surge of COVID-19 in the Tri-County Area is showing a troubling trend, with an uptick in cases affecting those younger than 45. “The illness that we are seeing is now trending to a younger population," said Monica Hendrickson, administrator of the Peoria City/County Health Department, during the weekly COVID-19 news briefing Thursday. “The majority of our cases are sitting in a younger-age population. That means 0- to 19-year-old population.” Forty percent of current active cases in the Peoria area are people under the age of 30. And 20% of those c...