Vaccine protection for pertussis (whooping cough), tetanus, and diphtheria fades with time. Therefore, CDC recommends a single dose of Tdap for adults 19 or.
All adults age 19 years and older need a one-time whooping cough booster vaccine. The whooping cough booster, called Tdap, is a combination vaccine with.
Currently, pertussis booster vaccine (Tdap) is recommended for unimmunized adults and for women in the third trimester of each pregnancy;.