Mariposa County Health Department Hosts "Catch Up" Immunization Clinic on Tuesday, August 16 Details Last Updated: Tuesday, 16 August 2016 05:41 Published: Tuesday, 16 August 2016 05:40 View Comments August 16, 2016 - The Mariposa County Health Department will be hosting an extra "catch up" immunization clinic on Tuesday, August 16, 2016 from 1:00 P.M. - 4:00 P.M.Bring your school age child in with immunization records.Source: Mariposa County Health Department View the discussion thread. back to top