THE EAGLES. Already Gone. Well, I heard some people talkin' just the other day. And they said you were gonna put me on a shelf. But let me tell you I got some news for you. And you'll soon find out it's true. And then you'll have to eat your lunch all by yourself. 'Cause I'm already gone. And I'm feelin' strong. I will sing this vict'ry song, woo, hoo,hoo,woo,hoo,hoo.
In medical terms, a booster dose is an extra administration of a vaccine after an earlier dose. After initial immunization, a booster injection or booster dose is a re-exposure to the immunizing antigen. It is intended to increase immunity against that antigen back to protective levels, after memory against that antigen has declined through time. For example, tetanus shot boosters are often recommended every 10 years, after which memory cells specific against tetanus have lost their function or
The purpose of spike is to score a point for your team and finish the ongoing rally - or at least to make other team's playmaking as hard as possible. A spike could be also called a hit, a swing or a shot.