A chromosome (from Greek: ÏÏá¿¶Î¼Î± color and Ïá¿¶Î¼Î± body) is a packaged and organized structure containing most of the DNA of a living organism.
Diphtheria, tetanus and pertussis are prevented by a childhood vaccine, called DTaP, and a newer vaccine for adolescents and adults, called Tdap.
You can help prevent tetanus by having all of the suggested tetanus shots (immunizations). There are three different types of tetanus shots. 1  Diphtheria, tetanus, and pertussis (DTaP) (What is a PDF document?) . 2  This vaccine is given in a series of five shots starting at age 2 months and ending at ages 4 to 6 years.