Don't believe the rumor that a flu
shot can give you even a mild case of the flu. It's impossible. The vaccine does not
contain a form of the flu virus that can give you the flu. The injected form of the
vaccine is made from pieces of dead flu virus cells. After getting the vaccine, some
people have mild flu-like symptoms as a side effect. This is not the same thing as
having the flu.
When you get the flu vaccine, your
body reacts and makes antibodies that give you immunity against the virus.
The main reason you should be
revaccinated each year is that the flu virus is constantly changing into new strains.
Each year the CDC tries to figure out which flu strains will have the biggest effect.
The CDC works with vaccine makers to create the specific vaccine that will fight the
predicted strains for that year.
If you are concerned about the cost
of a flu vaccine, check with your local health department for places near you where free
flu shots are given. Many insurers also cover flu vaccines at no cost to their