'Pools of infection.' Vaccinations surge in some parts of KS, MO while others struggle Jonathan Shorman and Lisa Gutierrez, The Kansas City Star May 2—LAWRENCE — Inside a cavernous building on the Douglas County fairgrounds on a rainy Wednesday afternoon, dozens of volunteers wearing orange safety vests gathered to be briefed on the work ahead: watch out for needles, respect people's privacy, stay inside if there's lightning. This would be the county's last mass vaccination clinic for COVID-19, part of a coordinated effort that made Douglas County a state leader in delivering shots to arms. More than 45 percent of its residents have received at least one dose, the second-highest percentage among counties.