Update as of 26 May 2025 : The public consultation and appeals period for the HTA Council Preliminary Recommendation on Tetanus, Diphtheria, and Acellular Pertussis (Tdap) Vaccine as booster immunization against tetanus, diphtheria, and pertussis for Grade 1 students (6-7 years old), Grade 7 students (11-12 years old) and pregnant women ended on 19 May 2025. Having received continue reading : HTA Council Preliminary Recommendation on Tetanus, Diptheria, and Acellular Pertussis (Tdap) Vaccine as booster immunization against tetanus, diptheria, and pertussis for Grade 1 students (6-7 years old, Grade 7 students (11-12 years old) and pregnant women