Erm ... what?
The vaccine is used at such a small dosage that it's not going to be dangerous. If you go and get a hundred vaccinations the mercury content might prove a concern, but the point is you get it once and you're done. That's why it's a vaccine. What's special about this virus? The rate it spreads. It's no more deadly to the individual than normal flu but it's much, much more contagious because it's not a virus that our bodies are already used to.
Why is it every three years people decide it's the end times and that the skies about to fall on our heads? Seriously, if it's about to happen there's nothing you can do about it. Get on with your lives and stop bothering everybody else with it.
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Originally Posted by kayleigh.
and the shortterm ones are?
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You get flu-like symptons for a day or two at very worst, usually it's just a sore arm. The way vaccines work is they contain dead or minimal amounts of the virus it combats. The bodies defence system then tries throwing anti-bodies at it until it gets the right one and kills off/does away with the virus cells. Then it stores a memory, as it were, of what that virus is and how to combat it next time it comes into contact with live cells in high amounts (eg you sit on a bus with the person behind you sneezing down your neck). Feeling tired is from energy expenditure of the body devoting effort to producing anti-bodies, and a temperature is also something the body uses to combat a virus. So you might get a bit of this, but it's not incredibly severe and not for very long.