5:35 p.m.: Boone County reports lowest active cases in a month The Columbia/Boone County Department of Public Health & Human Services reported 6 new COVID-19 cases in the past 24 hours, bringing the total number of active cases to 57. Boone County saw 50 active cases on April 1. According to the Missouri vaccine dashboard, an estimated 44.4% of Boone County's 180,463 residents have received at least one vaccine dose. 140,422 total doses administered of a vaccine 80,133 COVID-19 vaccine regimen activated 61,927 COVID-19 vaccine regimen completed 10,222 doses have been administered in the p...