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  1. www.who.int › health-topics › vaccines-and-immunizationVaccines and immunization - World Health Organization (WHO)

    20 de may. de 2024 · Vaccines reduce risks of getting a disease by working with your body’s natural defences to build protection. When you get a vaccine, your immune system responds. We now have vaccines to prevent more than 20 life-threatening diseases, helping people of all ages live longer, healthier lives.

    • Pneumonia

      Vaccines can help prevent pneumonia. Symptoms Depending on...

    • Malaria

      The vaccine has been shown to significantly reduce malaria,...

  2. www.who.int › news-room › questions-and-answersVaccines and immunization: What is vaccination?

    23 April 2024 | Q&A. What is vaccination? Vaccination is a simple, safe, and effective way of protecting you against harmful diseases, before you come into contact with them. It uses your body’s natural defenses to build resistance to specific infections and makes your immune system stronger.

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  4. ourworldindata.org › covid-vaccinationsCoronavirus (COVID-19) Vaccinations - Our World in Data

    Vaccines are a technology that humanity has often relied on in the past to bring down the death toll of infectious diseases. Within less than 12 months after the beginning of the pandemic, several research teams rose to the challenge and developed vaccines that protect from SARS-CoV-2.

  5. coronavirus.jhu.edu › vaccinesVaccines - Johns Hopkins Coronavirus Resource Center

    Vaccines include COVID-19 as well as many childhood vaccines in routine immunization programs. Understanding COVID-19. COMIT: COVID-19 Maternal Immunization Tracker.

  6. www.nejm.org › doi › fullCovid-19 Vaccines — Immunity, Variants, Boosters | New England...

    31 de ago. de 2022 · These vaccines involve four distinct vaccine platforms: inactivated virus vaccines (Sinopharm’s Covilo, Sinovac’s CoronaVac, and Bharat Biotech’s Covaxin), messenger RNA (mRNA) vaccines...

  7. covid19.nih.gov › covid-19-vaccinesCOVID-19 Vaccines | NIH COVID-19 Research

    Studies show that COVID-19 vaccines are very effective in preventing COVID-19, even for people at high risk for the disease. By the end of November 2021, scientists estimate that mRNA COVID-19 vaccines had prevented at least 1 million deaths, 10 million hospitalizations, and 36 million SARS-CoV-2 infections in the United States.