Not long.: Tetanus vaccines prevent lockjaw, a disease of horrible muscle spasms that is generally fatal. If you have already been properly vaccinated within the last 10 years, then you are probably protected unless the puncture wound is profoundly contaminated--prompting a need for a booster vaccine in 5 years. The symptoms of tetanus can occur as quickly as 3 days, although the average is 8 days.
army unit - a military unit that is part of an army. naval unit - a military unit that is part of a navy. air unit - a military unit that is part of the airforce. armour, armor - a military unit consisting of armored fighting vehicles. armed service, military service, service - a force that is a branch of the armed forces.
â¢ Definition of Regiment and Brigade: â¢ A regiment is a unit of the army that usually has several battalions of the same force. For example, if you take a tank regiment, it has three tank battalions. â¢ A brigade is a unit of the army that has several battalions that belong to multiple units.It is a mixed type of unit.f it is an infantry regiment, it has infantry battalions, and so on. A regiment is not self sufficient, and operates as a part of a bigger division where there are 3-5 regiments working together. In ancient times, a regiment was a traditional building block of an army.