The best prevention for whooping cough is vaccination. This generally comes with vaccines for diphtheria and tetanus. It is recommended that the vaccination is started during infancy. This vaccination is done is a series of injections that are given at the ages of: • 2 months • 4 months • 6 months • 15-18 months • and the last at 4-6 years Booster shots are also part of the prevention of whooping cough. Immunity can fade by the age of 11. Doctors recommend that a booster be given for diphtheria, tetanus, and whooping cough. Adults who get the 10-year booster for diphtheria will often get a whooping cough booster, as well. Pregnant women should get the vaccine for whooping cough between 27 and 36 weeks of gestation.