Irwin Army Community Hospital is hosting a walk-in COVID-19 vaccine clinic for TRICARE beneficiaries ages 5 - 11 on Thursday from 3:30 p.m. to 6:30 p.m. According to a social media post from Fort Riley, both the first and second doses of Pfizer COVID-19 vaccines for ages 5 - 11 years will be available. TRICARE beneficiaries ages 12+ can receive COVID-19 vaccines and boosters by calling 785-239-DOCS or by using MHS Genesis Patient Portal.