Coronavirus disease (COVID-19): Vaccines and vaccine safety
Oct 8, 2024 · This page answers the most frequently asked questions about COVID-19 vaccines and vaccine safety. If the information you are looking for is not here, check out our related …
COVID-19 vaccines - World Health Organization (WHO)
The COVID-19 global health emergency saw the fastest vaccine rollout the world has ever seen. Now it’s time to share just how remarkable that journey really was. The Delivery is a tool that …
Vaccines and Immunization - World Health Organization (WHO)
Apr 4, 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 …
Know the facts - World Health Organization (WHO)
Jun 27, 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 …
How do vaccines work? - World Health Organization (WHO)
Feb 25, 2025 · This article is part of a series of explainers on vaccine development and distribution. Learn more about vaccines – from how they work and how they’re made to …
COVID-19 Vaccines Advice - World Health Organization (WHO)
Oct 8, 2024 · Get the latest advice from WHO on COVID-19 vaccines, including who should get vaccinated and how to stay safe.
Vaccines and immunization: Vaccine safety
Mar 26, 2025 · Vaccination is one of the best ways to prevent diseases. Over the past 50 years, essential vaccines saved at least 154 million lives (1). During the same period, vaccination has …
Recommendations announced for influenza vaccine composition …
Feb 28, 2025 · The World Health Organization (WHO) today announced the recommendations for the viral composition of influenza vaccines for the 2025–2026 influenza season in the northern …
Vaccine efficacy, effectiveness and protection
Mar 10, 2025 · Vaccine effectiveness refers to how well vaccines work in the real world. Clinical trials include a wide range of people – a broad age range, both sexes, different ethnicities and …
Getting the COVID-19 Vaccine - World Health Organization (WHO)
Mar 31, 2021 · Vaccines are a critical tool in the battle against COVID-19, and getting vaccinated is one of the best ways to protect yourself and others from COVID-19.