Vaccines and immunization - World Health Organization (WHO)
WebApr 24, 2024 · Immunization is a global health and development success story, saving millions of lives every year. Vaccines reduce risks of getting a disease by working with your body’s natural defences to build protection. When …
Vaccines and Immunizations | CDC
WebPrint. 2024 Immunization Schedules. Learn More. COVID-19 Vaccination. For Healthcare Professionals and Jurisdictions. For You and Your Family. Children (Birth to 18 Years) Pregnancy and Vaccination. Adults (19 and Older) Travelers. For Professionals. Healthcare Professionals. Immunization Managers. Immunization Partners. Vaccine Communications.
Immunization Basics | CDC - Centers for Disease Control and Prevention
WebSep 1, 2021 · Immunization: A process by which a person becomes protected against a disease through vaccination. This term is often used interchangeably with vaccination or inoculation. Last Reviewed: September 1, 2021. Source: National Center for Immunization and Respiratory Diseases. Immunization: The Basics.
Vaccines and immunization: What is vaccination?
WebApr 23, 2024 · What is vaccination? How does a vaccine work? When should I get vaccinated (or vaccinate my child)? Why should I get vaccinated? What diseases do vaccines prevent? Who can get vaccinated? What is in a vaccine? Are vaccines safe? Are there side effects from vaccines? Can a child be given more than one vaccine at a time?
Immunization - Wikipedia
WebImmunization, or immunisation, is the process by which an individual's immune system becomes fortified against an infectious agent (known as the immunogen). When this system is exposed to molecules that are foreign to the body, called non-self , it will orchestrate an immune response, and it will also develop the ability to quickly respond …
Immunization coverage - World Health Organization (WHO)
WebJul 18, 2023 · While immunization is one of the most successful public health interventions, coverage plateaued in the decade prior to COVID-19. The COVID-19 pandemic, associated disruptions, and vaccination efforts strained health systems in 2020 and 2021, resulting in dramatic setbacks.
Explaining How Vaccines Work | CDC
WebMay 24, 2023 · Vaccines work by imitating an infection —the presence of a disease-causing organism in the body—to engage the body’s natural defenses. The active ingredient in all vaccines is an antigen, the name for any substance that causes the immune system to begin producing antibodies. In a vaccine, the antigen could be either.
Immunization | Vaccines, Benefits & Risks | Britannica
WebMar 1, 2024 · What is immunization? How does immunization work? What is the difference between immunization and vaccination? immunization, process by which resistance to disease is acquired or induced in plants and animals. This discussion focuses on immunization against infectious diseases in vertebrate animals, specifically humans.
Immunizations and Vaccines: Benefits, Risks, Effectiveness - WebMD
WebSep 28, 2022 · Immunizations and Vaccines. Medically Reviewed by Smitha Bhandari, MD on September 28, 2022. Written by Steve Goodman. Why Should Someone Get Immunized? Which Immunizations Do My Children...
Vaccine Safety | HHS.gov
WebBecause vaccines are given to millions of healthy people—including children—to prevent serious diseases, they’re held to very high safety standards. In this section, you’ll learn more about vaccine safety—and get answers to common questions about vaccine side effects. How are vaccines tested for safety?
Skip to content