The Nevada County Public Health Department is hosting a FREE Pertussis (Whooping Cough) Vaccination Clinic tomorrow, September 14th. The clinic will be held at the Grass Valley Veteran’s Building at 255 South Auburn Street from 3pm-6pm. This clinic is only for those people ages 10 years and older. There is no cost for the vaccination. Children between ages 10 years-18 years must bring their vaccination records and be accompanied by a parent or guardian in order to receive the booster shot.