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.
Confidence votes 53. A booster tetanus shot should be had every five to ten years. However, if you are 40 or under, you should technically be immune to tetanus because of the new vaccine brought out. It consists of 5 injections, one when you're 5, one when you're ten, one when you're fifteen then it's up to you to get yours done when you're 25 and 35 (or 40) or leave it and just have a booster shot every 5 - 10 years.