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Vaccine equity means ensuring that everyone in the world has equal access to vaccines. [ 1 ] [ 2 ] The importance of vaccine equity has been emphasized by researchers and public health experts during the COVID-19 pandemic [ 3 ] but is relevant to other illnesses and vaccines as well.
Vaccination has been one of the most impactful public health interventions of the past century. Since the foundation of the Expanded Programme on Immunization (EPI) by the World Health Organization (WHO) in 1974, vaccines have provided the single greatest contribution to improving health outcomes globally, particularly among children and infants.
This is a timeline of the development of prophylactic human vaccines. Early vaccines may be listed by the first year of development or testing, but later entries usually show the year the vaccine finished trials and became available on the market. Although vaccines exist for the diseases listed below, only smallpox has
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This is an accepted version of this page This is the latest accepted revision, reviewed on 9 February 2025. Administration of a vaccine to protect against disease This article is about administration of a vaccine. For the vaccines themselves, see vaccine. See also: Immunization Medical intervention Vaccinations Girl about to be vaccinated in her upper arm ICD-9-CM 99.3 - 99.5 [edit on Wikidata ...
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Other molecules can be used for immunization as well, for example in experimental vaccines against nicotine or the hormone ghrelin in experiments to create an obesity vaccine. Immunizations are often widely stated as less risky and an easier way to become immune to a particular disease than risking a milder form of the disease itself.
The type of vaccines that are available are messenger RNA, vector, and protein subunit. Messenger RNA vaccines work by giving cells specific instructions to make the S protein found on the surface of the COVID-19 virus. [21] It does not infect recipients of the vaccine with the virus but allows for the body to detect and fight the COVID-19 ...