The latest vaccination released in the United States in 2005 is known as Tdap; it includes a tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis. It proves to be unde-rutilized, one study showing only 56% of adolescents and less than 6% of adults having been inoculated. In 2009 more than 16,858 cases of pertussis were reported in the United States, including 12 deaths of infants. Tdap is for persons aged 19 to 64 years. The DTaP vaccine, consisting of combined:_______.

DTap is a vaccine made mainly for helping children of younger age specially of or below 7 years to develop immunity in their body against the diseases diphtheria, tetanus, and pertussis. The name of this vaccine comes from the name of these diseases for which it has been made. It's booster immunization can be given at an age of 11 years which provide immunity against above mentioned diseases to adolescents and adults.

Breathing problems, paralysis, heart failure, and even death can occur in the Diphtheria. It is a contagious disease which spreads by coughing and sneezing.
Nervous system is damaged in Tetanus which further causes muscle spasms or even death.
Coughing spasms in the Pertussis are too severe and often lead to pneumonia, seizures, brain damage, and death.