what is the difference between the trivalent and quadrivalent flu vaccine?
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The trivalent vaccine protects against three of the flu virus strains which are most likely to be around. The quadrivalent vaccine protects against four flu virus strains.
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These include Afluria Quadrivalent, Fluarix Quadrivalent, FluLaval Quadrivalent, and Fluzone Quadrivalent. Different influenza shots are licensed for different age groups. Some are licensed for children as young as 6 months of age. Most influenza shots are given in an arm muscle with a needle.
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There is a choice between using the varicella vaccine together with the trivalent measles, mumps, and rubella (MMR) vaccine or using a single quadrivalent measles, mumps, rubella, and varicella (MMRV) vaccine. This means that parents have a decision to make, and they will rely on you for help in making this decision.
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Two types of influenza vaccine are widely available: inactivated influenza vaccines (IIV) and live attenuated influenza vaccines (LAIV). Traditionally, influenza vaccines (both IIV and LAIV) have been produced to protect against 3 different seasonal influenza viruses (also called trivalent vaccines).
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All shot forms of the flu vaccine are inactivated and made of particles of the virus. These particles are not biologically alive and therefore can't cause disease. The FluMist is a live virus that has been altered so it replicates in the nose but doesn't cause disease.
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The flu shot is a vaccine given with a needle, usually in the arm. The quadrivalent flu vaccine is designed to protect against four different flu viruses. The high dose vaccine contains 4 times the amount of antigen as a regular flu shot and is licensed specifically for people 65 years and older.
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Nasal spray vaccine is made with attenuated (weakened) live flu viruses, and also cannot cause flu illness. The weakened viruses are cold-adapted, which means they are designed to only cause infection at the cooler temperatures found within the nose.
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Strains of influenza B are exclusively contracted by humans, while influenza A can be carried (and spread) by animals, however, both strains are transmitted mainly by respiratory droplets from coughing and contact with an infected person.
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The preservative-free flu vaccine is a type of flu vaccine that does not contain thimerosal. The mercury-based compound is added to some vaccines to prevent the growth of bacteria, fungus, or other microorganisms that might contaminate a vial when a needle is inserted.
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What's the difference between Haemophilus influenzae type b and influenza? Haemophilus influenzae type b is a polysaccharide-encapsulated bacteria that causes a variety of invasive diseases, such as meningitis, epiglottitis, and pneumonia. Influenza is a virus that causes the disease influenza.
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Variolation served as a natural precursor to the discovery of vaccination. The major differences between the two were that in vaccination, material from cowpox, an animal disease, was used, but particularly that it was safe to those vaccinated and was not transmitted to their contacts.
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Flu vaccines protect against the three or four viruses (depending on the vaccine) that research suggests will be most common. For 2019-2020, trivalent (three-component) vaccines are recommended to contain: A/Brisbane/02/2018 (H1N1)pdm09-like virus (updated) A/Kansas/14/2017 (H3N2)-like virus (updated)
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Luckily, this year's flu vaccine is a 100% match with H1N1, which has accounted for about 82% of the influenza A out there. The vaccine is also a 100% match with B/Yamagata, a far less common virus that makes up just 2% of the influenza B circulating.
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FLUMIST QUADRIVALENT is available for the 2019/2020 season. It is recommended by the CDC and is the only flu vaccine that starts working where flu typically enters the body—the nose.
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Quadrivalent flu vaccines protect against four different flu viruses. The high dose vaccine contains 4 times the amount of antigen (the part of the vaccine that helps your body build up protection against flu viruses) as a regular flu shot and is licensed specifically for people 65 years and older.
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The injectable Fluzone (flu shot) is a "killed virus" vaccine. Fluzone is also available in a nasal spray form, which is a "live virus" vaccine. This medication guide addresses only the injectable form of this vaccine. Becoming infected with influenza is much more dangerous to your health than receiving this vaccine.
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The flu shot is made from dead viruses and cannot "give" you the flu. However, the vaccine can trigger an immune response from your body, so you may have a few mild symptoms, like achy muscles or a low-grade fever. The nasal flu vaccine, FluMist, is made with a weakened live flu virus.