into contact with, and there may be financial, administrative or personal barriers that preclude full and timely vaccination of all individuals within the "cocoon". Brand names Australia United Kingdom Brand names in the United Kingdom include Revaxis (Sanofi Pasteur). United States , there are six DTaP vaccines and two Tdap vaccines licensed and available for use in the United States. All of them are indicated as childhood vaccinations with the schedules as follows: References Diphtheria Pertussis Tetanus External links Vaccines Combination drugs Combination vaccines Diphtheria Polio Tetanus Whooping cough