Just 1 or 2 doses of most live vaccines can give you a lifetime of protection against a germ and the disease it causes.īut live vaccines also have some limitations. Live vaccines use a weakened (or attenuated) form of the germ that causes a disease.īecause these vaccines are so similar to the natural infection that they help prevent, they create a strong and long-lasting immune response. Inactivated vaccines are used to protect against: So you may need several doses over time (booster shots) in order to get ongoing immunity against diseases. Inactivated vaccines usually don’t provide immunity (protection) that’s as strong as live vaccines. Inactivated vaccines use the killed version of the germ that causes a disease. Subunit, recombinant, polysaccharide, and conjugate vaccines.There are several types of vaccines, including: The best technology or approach to create the vaccineīased on a number of these factors, scientists decide which type of vaccine they will make.Who needs to be vaccinated against the germ.How your immune system responds to the germ.When scientists create vaccines, they consider: Each type is designed to teach your immune system how to fight off certain kinds of germs-and the serious diseases they cause. There are several different types of vaccines. Get Involved has sub items, about Get Involved.Five Important Reasons to Vaccinate Your Child.Get Vaccinated has sub items, about Get Vaccinated.Infants and Children Birth Through Age 6.Who and When has sub items, about Who and When.Vaccines by Disease has sub items, about Vaccines by Disease.Vaccine Basics has sub items, about Vaccine Basics.
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