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- Vaccines and immunization: What is vaccination?
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 Once exposed to one or more doses of a vaccine, we typically remain protected against a disease for years, decades or even a lifetime This is what makes vaccines so effective
- COVID-19 vaccines - World Health Organization (WHO)
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
- How do vaccines work? - World Health Organization (WHO)
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 ensuring safety and equitable access – in WHO’s Vaccines Explained series
- Vaccines and immunization - World Health Organization (WHO)
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 resistance to specific infections and makes your immune system stronger
- Coronavirus disease (COVID-19): Vaccines and vaccine safety
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
- COVID-19 Vaccines Advice - World Health Organization (WHO)
Getting vaccinated: Specific advice Take whatever vaccine is made available to you, even if you have already had COVID-19 Hybrid immunity (protection from both vaccination and COVID-19 infection) enhances protection against severe disease of future COVID-19 infections and confers longer protection Revaccination approximately 12 months after the previous dose is particularly important for
- Know the facts - World Health Organization (WHO)
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 resistance to specific infections and makes your immune system stronger
- Vaccines and immunization: Vaccine safety
During the same period, vaccination has reduced infant deaths by 40% Together with governments, vaccine manufacturers, scientists and medical experts, WHO's vaccine safety programme is constantly helping monitor the safety of vaccines This helps ensure that vaccines are safe for you and your family
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