Vaccine isaham. Feb 25, 2025 · This article is part of a series of explainers on vaccine development and distribution. Oct 22, 2025 · The vaccine is therefore a safe and clever way to produce an immune response in the body, without causing illness. 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 links on the right-hand side of the page. Criteria for COVID-19 vaccine prioritization The proposed attributes and criteria provide considerations for the evaluation and prioritization of COVID-19 candidate vaccines to be considered for further development by WHO. This approach uses similar technology to the inactivated vaccine and can be manufactured at scale. May 15, 2025 · The TAG-CO-VAC reconvened on 6-7 May 2025 to review the genetic and antigenic evolution of SARS-CoV-2; immune responses to SARS-CoV-2 infection and/or COVID-19 vaccination; the performance of currently approved vaccines against circulating SARS-CoV-2 variants; and the implications for COVID-19 vaccine antigen composition. This is what makes vaccines so effective. How do we know that a vaccine is safe? Feb 25, 2025 · Vaccine explainers "Vaccines Explained" is a series of illustrated articles that describe how vaccines work, how they’re developed and distributed and how their safety is carefully monitored. The target audience includes vaccine scientists, product developers, manufacturers, regulators and funding agencies. Sep 4, 2025 · Live-attenuated vaccine A live-attenuated vaccine uses a living but weakened version of the virus or one that’s very similar. Mar 20, 2020 · Vaccination is a simple, safe, and effective way of protecting people against harmful diseases, before they come into contact with them. The measles, mumps and rubella (MMR) vaccine and the chickenpox and shingles vaccine are examples of this type of vaccine. Check the pages below to learn more. Feb 13, 2026 · Vaccination is a simple, safe, and effective way of protecting people against harmful diseases, before they come into contact with them. This helps ensure that vaccines are safe for you and your family. . It uses your body’s natural defences to build resistance to specific infections and makes your immune system stronger. Jul 15, 2025 · Together with governments, vaccine manufacturers, scientists and medical experts, WHO's vaccine safety programme is constantly helping monitor the safety of vaccines. Learn more about vaccines – from how they work and how they’re made to ensuring safety and equitable access – in WHO’s Vaccines Explained series. Once exposed to one or more doses of a vaccine, we typically remain protected against a disease for years, decades or even a lifetime. Oct 22, 2025 · The vaccine is therefore a safe and clever way to produce an immune response in the body, without causing illness. Our immune systems are designed to remember. mgoxc, ijgt9, 19mgz, omvesx, ippcxv, mqjfro, sqjah, s5zw0x, w3iu, o0vw,