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.
Adults should get a Td booster shot every 10 years, which protects the patient from tetanus and diphtheria, as the Centers for Disease Control and Prevention recommends. Protection from tetanus weakens as time passes.