The Marion County Public Health department will be holding additional H1N1 clinics this weekend. A clinic will be held at the Third Reformed Church, located at 708 13th Street in Pella from 10am til 2pm Saturday. In addition, walk-in clinics will be held on Fridays beginning this week at 113 South Third Street in Knoxville. Those who wish to make an appointment can call 641-828-2238.