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  1. The vaccination schedule in Japan is defined and partially recommended by Immunization Act [] (Japanese: 予防接種法) and its related cabinet order [] (Japanese: 予防接種法施行令).[14] [15] By the combined laws, infections are categorized into two groups: Category A is recommended for vaccination to prevent pandemic whereas Category B is only for a personal care purpose. [31]

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

    Vaccination is the administration of a vaccine to help the immune system develop immunity from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism. In stimulating the body's adaptive immunity, they help prevent sickness from an infectious disease.

  3. The COVID-19 pandemic (also known as the coronavirus pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an outbreak of COVID-19 in Wuhan, China, in December 2019. It spread to other areas of Asia, and then worldwide in early 2020.

  4. List of tz database time zones - Wikipedia. The tz database partitions the world into regions where local clocks all show the same time. This map was made by combining version 2023d with OpenStreetMap data, using open source software. [1] This is a list of time zones from release 2024b of the tz database. [2] Legend. Type.

  5. Influenza vaccines, colloquially known as flu shots, are vaccines that protect against infection by influenza viruses. [14][15] New versions of the vaccines are developed twice a year, as the influenza virus rapidly changes. [14]

  6. This 1963 poster featured CDC's national symbol of public health, the "Wellbee", encouraging the public to receive an oral polio vaccine. Interruption of person-to-person transmission of the virus by vaccination is important in global polio eradication, [14] since no long-term carrier state exists for poliovirus in individuals with normal immune function, polio viruses have no non-primate ...

  7. en.wikipedia.org › wiki › 00 - Wikipedia

    0 (zero) is a number representing an empty quantity. Adding 0 to any number leaves that number unchanged. In mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, and complex numbers, as well as other algebraic structures. Multiplying any number by 0 has the result 0, and consequently, division ...

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