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I had a flu shot on Thursday. I'm feeling kind of sick today. Could it be from the shot?

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You cannot get the flu from the flu vaccine! The virus that is used to make the vaccine is a killed virus. You may have localized reaction at the injection site, but if you feel bad it's not the flu!

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No, its a dead or weakened form of the flu virus, so you will get sick from it just not as bad as the flu would if your antibodies did not know what it was.
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Ummm....dead? Killed? One in the same, my still stands, thanks for your input!
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Yeah, sometimes there's weakened viruses in it, meaning that you could get sick. Especially people with auto-immune disorders.
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jillywilly81
The only weakened version is through the nasal mist. The injections uses the DEAD virus.
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Hey thanks jilly!! I totally agree!
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I had the same problem I had the injection then came down with the flu but I had the injection 2 years ago and since then I have not had the flu since even if im around ill people nothing, so give it a few days and you will start feeling a lot better .

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Okay. Thanks!
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I haven't gotten the flu since I was 5 and I am 18 and I NEVER got the vaccine. It is not necessarily because you got the vaccine that you didn't get the flu for a few years.
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very possible

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Yes it is very common. You have to understand the shot is a dead of weakened form of the virus. Its just like getting sick but just so your cells and antibodies will memories the vaccine so when the real flu gets into you your antibodies have memorized it already with the dead or weakened form so you wont get that flu. So you are supposed to get a little bit sick from the shot.

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Good to know. Thanks.
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jillywilly81
Runaway you are VERY incorrect. This is from the Center for Disease Control Website:
Can the flu shot give me the flu?

No, a flu shot cannot give you the flu. Flu vaccines that are administered with a needle are currently made in two ways: the vaccine is made either with a) flu vaccine viruses that have been ‘inactivated’ and are therefore not infectious, or b) with no flu vaccine viruses at all (which is the case for recombinant influenza vaccine). In randomized, blinded studies, where some people got flu shots and others got saltwater shots, the only differences in symptoms was increased soreness in the arm and redness at the injection site among people who got the flu shot. There were no differences in terms of body aches, fever, cough, runny nose or sore throat.

More information about these studies is available at:
•Carolyn Bridges et al. (2000). Effectiveness and cost-benefit of influenza vaccination of healthy working adults: A randomized controlled trial .
•Kristin Nichol et al. (1995). The effectiveness of vaccination against influenza in healthy working adults. New England Journal of Medicine. 333(14): 889-893.
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No, I didn't say it could give you A FLU I said it could get you sick.
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Thank you very much Jilly!
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It is perfectly normal to get flu-like symptoms within a few days to a week of getting a flu shot. It will pass.

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As long as my immune system can keep up. Sometimes I think that my immune system can be as lazy as I am. lol
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jillywilly81
Wrong answer Shinensta, see above comment from the Center for Disease Control Website.
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WHY CANT you, jillywilly81, UNDERSTAND THAT THE DISEASE IS THE VACCINE ITS JUST DEAD OR WEAKENED AND STILL CA GET YOU A BIT SICK it wont give you THE FLU.
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Could very well be.

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jillywilly81

This is from The Center for Disease Control Website for all of you posting the wrong info:
Can the flu shot give me the flu?

No, a flu shot cannot give you the flu. Flu vaccines that are administered with a needle are currently made in two ways: the vaccine is made either with a) flu vaccine viruses that have been ‘inactivated’ and are therefore not infectious, or b) with no flu vaccine viruses at all (which is the case for recombinant influenza vaccine). In randomized, blinded studies, where some people got flu shots and others got saltwater shots, the only differences in symptoms was increased soreness in the arm and redness at the injection site among people who got the flu shot. There were no differences in terms of body aches, fever, cough, runny nose or sore throat.

More information about these studies is available at:
•Carolyn Bridges et al. (2000). Effectiveness and cost-benefit of influenza vaccination of healthy working adults: A randomized controlled trial .
•Kristin Nichol et al. (1995). The effectiveness of vaccination against influenza in healthy working adults. New England Journal of Medicine. 333(14): 889-893.

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