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Doctor insights on: How Long Is The Flu Vaccine Effective

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How long is flu vaccine effective?

How long is flu vaccine effective?

For one: Flu season. The viral strains protected against - change each year.

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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Could I be allergic to just dippy-cooked eggs? It seems like I can eat scrambled and hard-boiled eggs. What's it mean for vaccines like the flu shot?

Could I be allergic to just dippy-cooked eggs? It seems like I can eat scrambled and hard-boiled eggs. What's it mean for vaccines like the flu shot?

Yes: Some egg allergic individuals are able to tolerate well cooked or baked egg, but have issues with under cooked or raw egg. There is no specific recommendations on how well to cook eggs, and care needs to be taken. I would recommend evaluation by a board certified allergist. For the Flu shot- The amount of allergen in the vaccine in minimal, unless you reacted in the past get the vaccine

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How expensive is the flu vaccine?

How expensive is the flu vaccine?

Varies by Location: If you have insurance it is covered by most insurance without any copay and is available at most drug stores like CVS/WALGREN and others. Also available at your doctor' office If you have no insurance it may cost you approx. 25 to 30 dollars in NJ. Price may vary in other states

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What are the proven advantages of the flu vaccine?

What are the proven advantages of the flu vaccine?

Agree w Dr. Lahage: If you have ever had influenza - you would probably want to avoid going through that suffering again. If you have influenza and pass it on to another - the illness could cause significant morbidity or even death.

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Is it going to be mandatory that everyone be given the flu vaccine?

Is it going to be mandatory that everyone be given the flu vaccine?

Not likely: Vaccinations are not mandatory and except in a national emergency, government is not likely to mandate vaccination.

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Should I get the flu vaccine ?

Should I get the flu vaccine ?

Yes: Anyone 6 months of age or older should get a flu vaccination to help prevent catching influenza a or b, or the h1n1 swine flu. One can skip the vaccination if he is allergic to it. People at higher risk for severe influenza symptoms include pregnant women, the elderly, the immunosuppressed, asthmatics, young children and babies, etc... High-risk persons should definitely get vaccinated.

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What are the negatives, if any, of getting the flu vaccine?

What are the negatives, if any, of getting the flu vaccine?

Hardly any: Flu vaccine is very safe. Vast majority of people will have nothing worse than a slightly sore upper arm. Even if you get the flu later in the season it's likely to be mild. It's recommended for nearly everyone. Pregnant women are strongly encouraged to get the flu shot because they are more susceptible to complications including death. People who have chronic conditions should get it too.

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Does the flu shot an other vaccines increase histamine levels in the body?

Does the flu shot an other vaccines increase histamine levels in the body?

Flu shot: Though rare, one can develop an allergic reaction to a vaccine which causes high levels of histamine. Typically, histamine levels remain low or minimally increased after receiving a vaccine.

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If flu shot vaccines are created from last year's flu, how can it protect against a different stem of the flu?

If flu shot vaccines are created from last year's flu, how can it protect against a different stem of the flu?

There are 3 strains: Every year a bunch of experts meet and decide what strains to put in the flu vaccine for the next season. They usually put in 3 different types, almost always one from the preceding year, and then two others that they decide on based on many factors. There is talk that they may start trying to use 5 strains in the next few years. Anyway, you should get a flu shot every year!

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How does the flu vaccine work?

How does the flu vaccine work?

Antibodies: It is recognized as foreign by the human body and antibodies are made against it which later attack the flu virus itself if contracted and help the immune system fight back.

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Does insurance usually cover the flu vaccine?

Yes it does: Most insurance cover Flu vaccine without any copay and one can even get it at your neighborhood drug store or at your doctor's office

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How many doses of the flu vaccine does my baby need?

How many doses of the flu vaccine does my baby need?

Depends on...: Whether your baby has received flu vaccine in previous years. It's 2 doses a month apart for the 1st year that a child under 9 years old gets flu vaccine. Every year after that is 1 dose per year. Children 9 years and older are always 1 dose per year. Children 24 months and older may have the nasal mist instead of the injection, as long as they don't have asthma, diabetes, or heart disease.

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Which medicine can you take after receiving the flu vaccine?

Which medicine can you take after receiving the flu vaccine?

Any med: I am not sure what you mean. You should be able to take any of your regular meds.

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What is different about the flu vaccine from one year to the next?

Depends: Each year the mixture of the flu strains used for the vaccine is different so you have to be vaccinated each year. This is more information from the cdc. Http://www. Cdc. Gov/flu/protect/vaccine/qa_intradermal-vaccine. Htm.

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Is the flu vaccine not working? I know drs urge it but if it doesn't work don't want to get it.

The trouble with flu: Yearly, we have at least 6 flu strains circulating the globe. The drug makers use surveillance data to pick the 3-4 top strains in March, and rush to put that into a vaccine. More strains would weaken the protection provided by the vaccine to those strains included. By the fall/winter, newer strains can develop and air travel brings them to you. The vaccine helps, but cannot stop all flus.

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After I received the flu vaccine for the first time I got really sick for about a month should I avoid it next yea?

After I received the flu vaccine for the first time I got really sick for about a month should I avoid it next yea?

Vaccine: It is unusual to be sick for a month after any vaccine. I would go by your doctor, s recommendation

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I have never had a flu shot get the flu once a year. Are these super flus bring created by your vaccine eventually gonna get me and prob devour me?

Odd question: There are no "super flu bugs" created by vaccines. Vaccines are derived from strains created in nature. Nature sometimes mutates a flu strain to such a degree that a major part of the world population has never had a similar flu and it may reek havoc, as it did near the end of WWI. Since you get the flu every year, you likely have some partial immunity to new strains and don't get it as bad as some

Dr. Mark Diamond
1,087 Doctors shared insights

Vaccinations (Definition)

Latin word for cow, vacca, because of the smallpox/cowpox work of edward jenner, vaccination is the administration of a substance, live organism or otherwise, that stimulates the immune response to prevent a specific disease. Primarily a preventative procedure, some vaccines can ...Read more


Dr. Mark Diamond
1,091 Doctors shared insights

Immunization (Definition)

The body is artificially exposed to a dead or weakened organism of a type able to cause disease. The body fights the organism and learns to protect itself, so disease will not develop if exposed to ...Read more