Diphtheria, Tetanus and Pertussis

Diphtheria ,Tetanus and Pertussis are very contagious diseases in humans, especially in children.The three have been eradicated by prevention of these diseases by the vaccines begun in the 19 th. Century. Currently, Diphtheria ,Tetanus and Pertussis (DTP) vaccines are administrated routinely in both rich and poor countries, since they are very cheap The new formulation of Pertussis vaccines is acellular vaccines ( DTPa), now initiated in new vaccination schedules in our country with IPV and Hib vaccines, starting in infants at two months old.