Vaccines and immunization: What is vaccination?
Oct 22, 2025 · 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 …
Vaccines and immunization - World Health Organization (WHO)
Dec 18, 2025 · Vaccination is a simple, safe, and effective way of protecting people against harmful diseases, before they come into contact with them. It uses your body’s natural defences to build …
Know the facts - World Health Organization (WHO)
Mar 20, 2020 · Vaccination is a simple, safe, and effective way of protecting people against harmful diseases, before they come into contact with them. It uses your body’s natural defences to build …
Vaccins et vaccination : qu’est-ce que la vaccination
La vaccination est un moyen simple, sûr et efficace de se protéger des maladies dangereuses avant même d’y être exposé. Elle met à profit les défenses naturelles de l’organisme pour développer une …
COVID-19 vaccines - World Health Organization (WHO)
Read WHO’s Global COVID-19 Vaccination Strategy outlining the steps to achieve effective and equitable distribution of vaccines. See WHO’s landscape of COVID-19 vaccine candidates for the …
COVID-19 Vaccines Advice
Oct 8, 2024 · Vaccination should not be delayed in anticipation of newer versions of the COVID-19 vaccine. Currently approved COVID-19 vaccines, including those based on the index virus and the …
How do vaccines work? - World Health Organization (WHO)
Feb 25, 2025 · Vaccination eases the strain on families and healthcare systems by reducing hospital visits and medical costs. Healthy children can attend school regularly, learn better and grow up ready …
Vaccines and immunization: Vaccine safety
Jul 15, 2025 · Vaccination is one of the most effective ways to prevent diseases. Over the past 50 years, essential vaccines against just 14 diseases have saved at least 154 million lives (1). During the same …
Vaccines WPRO - World Health Organization (WHO)
Sep 30, 2022 · Vaccines are available to prevent more than 20 life-threatening diseases, helping people live longer, healthier lives. They reduce risks of getting a disease by working with your body’s natural …
Vaccine efficacy, effectiveness and protection
Mar 10, 2025 · Following the recommended vaccination schedule is essential effective and sustained protection. Boosters Protection from the initial dose or primary series may weaken over time. Booster …