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They are currently made exactly the same in the US with all the same ingredients, except the strain of the flu is the A-H1N1/09 strain in the H1N1 shot and the seasonal flu shot has three different types of seasonal flu. The strains of virus that are in the 2009 - 2010 seasonal flu shot in the US are:

  • A/Brisbane/59/2007(H1N1)-like virus;
  • A/Brisbane/10/2007 (H3N2)-like virus;
  • B/Brisbane 60/2008-like antigens.

The 2009-10 seasonal influenza vaccine can protect you from getting sick from these three viruses, or it can make your illness milder if you get a related but different influenza virus strain. The H1N1/09 Swine Flu shot protects you from the Pandemic Swine Flu.

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14y ago
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12y ago

The main difference is the method of administration. There are some indications for certain groups to use one over the other.

The intranasal mist is approved in the US only for use in healthy individuals age 2 - 49. It is made from live attenuated influenza virus (LAIV), which means they have seriously weakened the virus strain with chemicals (or other processes) so that it can not cause you to actually get the flu. The live virus vaccines can be given by mist since the stronger, but still weakened, virus is able to produce the proper immune response without needing the more invasive injections that are required for inert vaccines to cause the immunity.

The intramuscular (IM) injection ("shot"/"jab") is an inert ("dead") virus vaccine given in injections. Because the virus in the vaccine is inert, it won't give the same immune response unless injected. These IM vaccinations are approved for use in anyone over 6 months old.

New Intradermal Fluzone, a third option for administration of flu vaccine: There is also a new form of inactivated ("dead") flu vaccine that is given with a microinjection system between the layers of the skin using an ultra thin needle. It is approved for those aged 18 - 64 and will be available in the US in the 2011-2012 flu season as well as in 40 other countries including Australia, Canada and some of the European nations.

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14y ago

the shot is a dead and deactivated virus. it can NOT make you sick with the disease.

the mist is alive but weakened. it is not recommended for asthmatics because it could give them the disease.

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11y ago

Flu Shots are better in the sense that they are over very quickly, and don't have much pain. But, flu mist is just as good as flu shots, but are instead much less comfortable.

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Q: What is the difference between the H1N1 shot and the mist?
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What are two methods used to administer the H1N1 swine flu vaccination?

Through the nose as a mist or spray and a shot in the arm.


Is it safe for your child to get the H1N1 vaccine between his 1st and 2nd dose of the seasonal flu vaccine?

Yes, if they are getting both vaccines by injections. That timing of the two kinds of vaccinations (seasonal flu shot and swine flu shot) is not a problem, in fact they could be given at the same time. This is not true for the nasal mist vaccinations, however.You can NOT take a nasal flu mist for swine flu at the same time as you take a nasal flu mist for seasonal flu. They can render each other ineffective. Ask a health care professional how long you should wait between these two kinds of nasal mist vaccinations.You can take a nasal flu mist for swine flu with any other nasal flu mist vaccine EXCEPT the one for seasonal flu.The 2009 H1N1 flu shot (inactivated 2009 H1N1 vaccine) can be given at the same visit as any other vaccine, including pneumococcal polysaccharide vaccine.You can take a swine flu nasal mist at the same time as a seasonal flu shot.You can take the H1N1/09 swine flu shot and a nasal mist for the seasonal flu at the same time.There would be no reason to take the swine flu shot at the same time as the swine flu nasal mist since both do the same thing, so that should not be done.


Can you donate blood after the H1N1 shot?

Yes. There is no longer a waiting period between when you get any influenza shot, including H1N1, and when you can give blood.


Can you get H1N1 shot and flu mist together?

You can take the H1N1/09 swine flu shot and a nasal mist for the seasonal flu at the same time.There would be no reason to take the swine flu shot at the same time as the swine flu nasal mist since both do the same thing, so that should not be done.You can take a swine flu nasal mist at the same time as a seasonal flu shot.You can NOT take a nasal flu mist for swine flu at the same time as you take a nasal flu mist for seasonal flu. They can render each other ineffective.You can take a nasal flu mist for swine flu with any other nasal flu mist vaccine EXCEPT the one for seasonal flu.The 2009 H1N1 flu shot (inactivated 2009 H1N1 vaccine) can be given at the same visit as any other vaccine, including pneumococcal polysaccharide vaccine.Update 2010: There is no reason to get the H1N1 vaccine or flu mist up your nose this year as there is no pandemic or outbreaks. The US govt has included the H1N1 in every flu shot on top of the regular vaccines for flu which is not necessary and could harm you health permanently with the addition of squalene. Pregnant mothers have lost their babies in thousands of miscarriages, and people have died after the flu shot was given last year. The flu mist will give you live viruses in your nose and when you go home you will be breathing out the viruses to spread to the rest of your family. Take vitamin C instead, and chicken soup -you will live longer.


Who is the H1N1 shot vaccine best for?

It is best for everyone who can to get vaccinated whether they get the shot or the nasal mist. There are specific indications for who can not take the nasal mist attenuated live vaccine. Those most at risk for complications or death from the influenza virus should also be vaccinated if they are not among those who should not use a vaccine. If everyone could get the vaccination, we would all be better protected. See the related questions below for who should not get this vaccine and who is at highest risk for the H1N1/09 flu and for information on whether a mist or a shot is better.


Is the regular flu shot available now?

Yes, the "seasonal" flu shot (and mist) is available and has been for some time, actually. If you'd like up-to-date info on the flu, including H1N1, visit flu.gov.


What is the difference between nasal H1N1 vaccines and the injected H1N1 vaccines?

The only real difference is the medium that holds the virus in the vaccine, one is made for injection into muscles and the other is for using as a nasal mist. The current vaccination for H1N1/09 is available in both types of vaccines. The virus used in both vaccines is the same, except the nasal mist uses "live attenuated" viruses (they are still active whole viruses but have been treated to weaken them so they can not make an otherwise healthy person sick). The viruses in the vaccine for giving in a shot are totally inactive ("dead") or are just pieces of the virus particles instead of the whole viral organism, which also can not make you sick. See the related question below about which is better to use for your circumstances.


Anyone die from the H1N1 shot?

no.


What are added ingredients in H1N1 shot?

adjuvent


Is it safe to get both the seasonal flu shot and the H1N1-09 virus flu shot?

Yes. In fact, now the seasonal flu shots are combined with the H1N1 Virus flu shot, so you don't have to get two.


Should a person with sarcoidosis get the H1N1 and flu shot?

A person with Sarcoidosis not get a seasonal flu shot


Is it necessary to get H1N1 shot before traveling from US to Mexico?

Actually, it is more likely to catch the H1N1 in America than in Mexico. You should take that shot even if you are not traveling to Mexico soon.