Onalaska Omni Center COVID-19 vaccine clinic open to 12-15-year-olds May 13, 2021 12:48 PM Jourdan Vian Updated: ONALASKA, Wis. (WKBT) — COVID-19 vaccine appointments for 12 to 15-year-olds will be available Saturday at the Omni Center in Onalaska from 9 a.m. to 1 p.m., according to the La Crosse County Health Department. The clinic will be among the first to offer COVID-19 vaccines to children as young as 12 in La Crosse County, following a new recommendation by a federal vaccine advisory committee. To schedule an appointment or receive more information on Saturday’s clinic at the Omni Center, 255 Riders Club Road, Onalaska, call 608-785-6240, or email covid19@lacrossecounty.org