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Influenza vaccines are made with either a weakened or dead version of the flu virus that you are getting the vaccination to prevent. The annual flu vaccinations in the US contain the three types of flu viruses that are most likely to be causing illness in that particular flu season, as determined by epidemiologists and virologists. The vaccines are called Live Attenuated (which means weakened) vaccines when they have active influenza viruses in them that provide immunity once your body reacts to the presence of the virus. But they are too weakened to actually make you sick. The annual flu vaccines that are administered in a nasal mist are made with LAIV (Live Attenuated Influenza Vaccine). Those flu vaccinations that are given with a needle are made with inactivated "dead" virus particles. When your immune system is alerted to the presence of these viruses, it provides an immune response that produces antibodies to prevent that type of virus from being able to make you sick in the future. See the related questions for more details about the ingredients in flu vaccines and other related information.

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11y ago
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8y ago

Antigens, these may be taken directly from the disease causing organism (in still living or killed form) or synthesized by genetically engineering a harmless organism to make the antigen molecules.

Most antigens are glycoproteins (protein molecules "decorated" with sugar side groups).

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antigen

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Antigen

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Q: What is the substance in a vaccine that stimulates the immune system?
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Related questions

What gland stimules the immune system?

The thymus stimulates the immune system.


Why is it good to use a vaccine to stimulate the immune system for homeostatis?

A vaccine stimulates the body to produce antibodies against a specific disease causing pathogen. This makes the body able to fight off that disease.


What stimulates vaccination?

Vaccines stimulates the immune system to make antibodies


What is the difference between antitserium and vaccine?

vaccine: a vaccine teaches your immune system how to fight an infectionantiserum :an antiserum either neutralise the infection or stimulate the immune system


What stimulates a person's body to produce chemicals that destroy vireses or bacteria?

The best answer would be Antibodies; however, these do not chemically "attack" viruses or bacteria. More accurately, antibodies recognize various germs and allow the various cell types of your immune system to attack and destroy these germs directly. For more info on how this works see: http://en.wikipedia.org/wiki/Adaptive_immune_system


What is Ampligen's function?

It is a drug which stimulates the immune system


What human system is involved when getting a vaccine?

The immune system.


How do vaccine exposure evoke immune response?

The Vaccine exposes the immune system to small doses of a disease so the immune system can recognize it and fight it off when its exposed to the real disease


What is Ampligen?

It a drug which stimulates the immune system and has antiviral activity


What are the medicinal actions of cuscuta?

Stimulates the immune system and antioxidant.


Which gland stimulates the immune system?

Thymus (Apex)


When a vaccine is given the immune system makes these in response?

Antibodies.