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.
Quick Answer. A tetanus shot series is given at 2, 4 and 6 months of age, notes the Centers for Disease Control and Prevention. Boosters are given at 15 to 18 months old, 4 to 6 years old and 11 to 18 years old. A booster every 10 years thereafter is recommended.