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  1. en.wikipedia.org › wiki › VaccinationVaccination - Wikipedia

    Vaccination versus inoculation The term "inoculation" is often used interchangeably with "vaccination."However, while related, the terms are not synonymous. Vaccination is treatment of an individual with an attenuated (i.e. less virulent) pathogen or other immunogen, whereas inoculation, also called variolation in the context of smallpox prophylaxis, is treatment with unattenuated variola ...

  2. en.wikipedia.org › wiki › Order_theoryOrder theory - Wikipedia

    Driven by the wide practical usage of orders, numerous special kinds of ordered sets have been defined, some of which have grown into mathematical fields of their own. In addition, order theory does not restrict itself to the various classes of ordering relations, but also considers appropriate functions between them.

  3. Vaccination schedule. Example Polish call for vaccination against Diphtheria and Tetanus. Global vaccination coverage 1980 to 2019 among one year olds [1] A vaccination schedule is a series of vaccinations, including the timing of all doses, which may be either recommended or compulsory, depending on the country of residence.

  4. A vaccination policy is a health policy adopted in order to prevent the spread of infectious disease.These policies are generally put into place by State or local governments, but may also be set by private facilities, such as workplaces or schools. [1] [2] Many policies have been developed and implemented since vaccines were first made widely available.

  5. The list of presidents of the United States by net worth at peak varies greatly. Debt and depreciation often means that presidents' net worth is less than $0 at the time of death. [1] Most presidents before 1845 were extremely wealthy, especially Andrew Jackson and George Washington. Many early presidents were landowners, and some of them owned ...

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