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. Diphtheria, tetanus, and pertussis (DTaP)(What is a PDF document?). This vaccine is given in a series of five shots starting at age 2 months and ending at ages 4 to 6 years. This is called the primary vaccination series.