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Doctor insights on: Flu Shot Vs. Flu Mist

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Is a flu shot or flu mist more effective?

Is a flu shot or flu mist more effective?

Same effectiveness: A flu shot or flu mist are both just as effective. The flu mist has some age restrictions, and persons with some medical conditions (such as ongoing asthma symptoms) should not get the flu mist. A few years ago, a study suggested that younger children may get more protection from the flu mist, but in any one individual patient, there's no way to tell if there is a difference between shot and mist. ...Read more

Flu Shot (Definition)

Also known as influenza vaccines, flu shots are given out once a year to protect against the flu. The flu shot stimulates the immune system to build antibodies to three or four strains of flu viruses in the hopes that it will offer protection from the current strains present in the community. Each year the Centers for Disease Control (CDC) monitors the strains of Influenza globally and incorporates the appropriate antigens in the new vaccine. For best protection the vaccine ...Read more


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How many months does a flu shot provide effective protection?

How many months does a flu shot provide effective protection?

The season involved: Consider the flu shot you get as effective in protecting you from the strains in the vaccine for at least a year.If you get the vaccine in august, months before the regular season, you will be protected for that flu season, even if it hits in february. ...Read more

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How long do I need to wait to get the tdap shot after getting a flu shot? Also when are they effective?

How long do I need to wait to get the tdap shot after getting a flu shot?  Also when are they effective?

You don't need to wt: Tdap can be given on the same day or in days prior to and after a flu shot. They do not interfere with each other so they can be given any time they are available. ...Read more

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Why can people over 50 only get a flu shot and not the mist in the nose?

Why can people over 50 only get a flu shot and not the mist  in the nose?

Testing requirements: The FluMist was tested only to 49, and was able to get approval for that. The question is whether it is effective enough compared to the shot, and whether there can be unintended consequences, such as giving the mist to a child with asthma. There would need to be further testing before the mist could be used in an older age group. ...Read more

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How can a flu shot be effective if it bypasses your iga immune system? Isn't contracting and fighting always better than introducing. Never Had a flu

How can a flu shot be effective if it bypasses your iga immune system? Isn't contracting and fighting always better than introducing. Never Had a flu

Bypass IgA?: The flu vaccine induces cellular production of IgA, IgG, & IgM. Moreover, increasing herd immunity through vaccines protects those who are unable to be vaccinated. You can check out this article from the academic journal, Immune for more info. Hope that helps! Vaccine. 2012 Aug 31;30(40):5893-900. doi: 10.1016/j.vaccine.2012.04.109. Epub 2012 Jul 24. ...Read more

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How safe is a flu shot?

How safe is a flu shot?

Very!!: Although side effects can occur, such as fever, soreness, occasional achiness, and theoretically very rare more serious problems, it is much safer than being infected with the potential side effects of the infection, up to and including death! immunize, immunize, immunize. ...Read more

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How do you give a flu shot?

Needle size: Good point on the length of the needle. I have seen offices use the 5/8" needle which is way too short to get into the muscle. You must use at least a 1" needle depending on the person you are injecting. ...Read more

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Should I get my baby a flu shot?

Should I get my baby a flu shot?

Yes: If there's no specific reason your child shouldn't receive the shot, like an allergy, then, yes, most definitely. Flu shots can be given yearly after 6 months of age. Not giving the shot is not the same as not taking a risk; you're just accepting the much larger risk of getting the illness and a serious complication. Besides hygiene/clean water, nothing compares with vaccines for health value. ...Read more

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What is the half life of a flu shot?

What is the half life of a flu shot?

Lasts through season: I'm not sure if you're asking when it will kick in, or how long it lasts... Flu shots are good for the season, since they're geared to the expected strains. They don't "wear off" so much as fail to cover the strains coming out the next fall. It takes a couple weeks for the immunity to kick in, but they should last a long while; new shot needed every fall due to new strains. ...Read more

Dr. Heidi Fowler
1,882 doctors shared insights

Flu (Definition)

The flu, otherwise known as influenza, is a viral infection of the nose and throat. Symptoms of influenza include fever, chills, runny nose, muscle aches, fatigue, malaise, headaches, and coughing. Children with the flu often have nausea and vomiting as well. Some strains of the flu are preventable by getting a yearly flu ...Read more