More COVID-19 vaccination clinics opening in Bell County Through a partnership with the California based company Curative, Leo Buckley Stadium will become a primary vaccination center in Bell County. Author: Jim Hice Updated: 10:40 AM CDT April 23, 2021 KILLEEN, Texas — Leo Buckley Stadium will be the site of a COVID-19 vaccination clinic beginning Saturday. The clinic, hosted by the California based company Curative, will run from 9 a.m. to Noon. No appointment is required, according to Bell County Judge David Blackburn. “We are excited to see if opening up the operation to walk-ins might make it more attractive to Bell County residents,” said Blackburn.