OSWEGO COUNTY – The Oswego County Health Department hosts a Preventive Health Fair on Thursday, April 4 from 9 to 11:30 a.m. and 1 to 3:30 p.m. at the Nick Stereo Public Health Clinic, 70 Bunner St., Oswego. The Preventive Health Fair is one of four unique events for this year’s National Public Health Week.…