A school bus driver in the Center Grove School District south of Indianapolis may have exposed students to whooping cough. The school district in Johnson County sent home an advisory last week saying that one confirmed case of pertussis, the clinical name for whooping cough, was identified within the district. However Lisa DeVault, director of nursing for the Johnson County Health Department, says the case has not been lab confirmed, though the woman‘s symptoms are consistent with whooping cough. The office of Center Grove School Superintendent Richard Arkanoff says the school district is treating the case as if it were lab confirmed and says the woman‘s son, who is a student at Center Grove High School, has been kept out of school for an unknown period of time to prevent the spread of the bacteria. DeVault said there may be more than one possible case stemming from the bus driver, but she would not say whether the son was infected. Arkanoff‘s office says no other students are showing any symptoms as far as the school district knows. Whooping cough is highly contagious and killed thousands in the U-S every year in past decades.