HENDERSON Co., N.C. (WSPA) — The Henderson County Department of Public Health is taking action after a whooping cough outbreak.As of Wednesday, county health officials say 52 people have the respiratory infection. The outbreak began last month in Henderson County. Tdap vaccination clinics will be held for those at most risk, including pregnant women and children at least 11 years old.The clinics are from 11:30 a.m. to 5:30 p.m. Thursday, Dec. 21 and Dec. 28 at the public health department located at 1200 Spartanburg Highway in Suite 100. People are asked to use the immunization clinic entrance at the center of the building. Health officials say the Tdap vaccine protects against whooping cough, tetanus and diphtheria.The health department accepts most major insurance plans. If not covered by insurance, the cost is $60. Some people may qualify for a free vaccination. Call 828-697-4827 for more information.