Vaccine records texas. Once exposed to one or more doses of a vaccine, we typically remain protected against a disease for years, decades or even a lifetime. 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. . Mar 20, 2020 · Vaccination is a simple, safe, and effective way of protecting people against harmful diseases, before they come into contact with them. Our immune systems are designed to remember. Vaccine target product profile WHO has published the target product profiles for COVID-19 vaccines, which describes the preferred and minimally acceptable profiles for human vaccines for long term protection of persons at high ongoing risk of COVID-19, and for reactive use in outbreak settings with rapid onset of immunity. It uses your body’s natural defences to build resistance to specific infections and makes your immune system stronger. Jun 25, 2025 · 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. Mar 26, 2025 · During the same period, vaccination has reduced infant deaths by 40%. From experiments and taking chances to a global vaccine roll-out in the midst of an unprecedented pandemic, immunization has a long history. 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. This approach uses similar technology to the inactivated vaccine and can be manufactured at scale. Oct 8, 2024 · This page answers the most frequently asked questions about COVID-19 vaccines and vaccine safety. This is what makes vaccines so effective. For centuries, humans have looked for ways to protect each other against deadly diseases. Apr 23, 2024 · The vaccine is therefore a safe and clever way to produce an immune response in the body, without causing illness. Mar 10, 2025 · Vaccine protection and timing Vaccines work by building strong protection against disease. If the information you are looking for is not here, check out our related links on the right-hand side of the page. Feb 25, 2025 · This article is part of a series of explainers on vaccine development and distribution. The measles, mumps and rubella (MMR) vaccine and the chickenpox and shingles vaccine are examples of this type of vaccine. Some vaccines require only one dose to build protection, while others need multiple doses spaced apart – called the primary series – to develop full protection. Apr 23, 2024 · The vaccine is therefore a safe and clever way to produce an immune response in the body, without causing illness. Together with governments, vaccine manufacturers, scientists and medical experts, WHO's vaccine safety programme is constantly helping monitor the safety of vaccines.
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