MEXICO - Some Audrain County residents are ready to end the wait for their second dose of the Pfizer COVID-19 vaccine. They've waited over two weeks since they received their first dose at a mass vaccination event on Jan. 29 at the Mexico Memorial Airport and the Audrain County Health Department, or at a mini-clinic on Feb. 2 at Presser Arts Center in Mexico. Now, they'll finally to be fully vaccinated on Thursday at a follow-up clinic at the Mexico Area Family YMCA. The health department says over 2,300 people can get their second dose Thursday. They will try to find extra arms if some can't show up and if there are extra doses.