Marion County Public Health officials will start providing H1N1 vaccines to school-aged children one district at a time, starting in the Twin Cedars school district this Thursday. Public Health nurse Judi Van Hulzen says the clinic for students only will be from 1p.m. to 3 p.m. that day, while the general ‘priority group’ clinic will be from 3:30 p.m. through 4:30 p.m. Public Health will notify KNIA/KRLS first with any potential changes in clinic dates or flu information.