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- Vaccines and immunization: What is vaccination?
Vaccine ingredients can look unfamiliar when they are listed on a label However, many of the components used in vaccines occur naturally in the body, in the environment, and in the foods we eat All of the ingredients in vaccines – as well as the vaccines themselves - are thoroughly tested and monitored to ensure they are safe
- COVID-19 vaccines - World Health Organization (WHO)
WHO’s COVID-19 dashboard also features the number of vaccine doses administered globally, with more detail provided on the dedicated COVID-19 vaccination dashboard At a regional level, there is an AFRO COVID-19 vaccines dashboard and a PAHO COVID-19 vaccines deliveries dashboard
- Coronavirus disease (COVID-19): Vaccines and vaccine safety
While COVID-19 vaccines are highly effective against serious disease and death, no vaccine is 100% effective Vaccinated people can get infected and may fall ill with COVID-19 This is known as a ‘breakthrough infection’ or ‘breakthrough case’ Breakthrough infections can happen with any vaccine and do not mean that the vaccine does not
- Vaccines and immunization - World Health Organization (WHO)
When you get a vaccine, your immune system responds We now have vaccines to prevent more than 20 life-threatening diseases, helping people of all ages live longer, healthier lives Immunization currently prevents 3 5 million to 5 million deaths every year from diseases like diphtheria, tetanus, pertussis, influenza and measles
- COVID-19 Vaccines Advice - World Health Organization (WHO)
Unprecedented scientific collaborations, extensive prior research and substantial public funding enabled swift COVID-19 vaccine development to be completed in record time – while maintaining high safety standards New versions of the vaccine are being developed as the COVID-19 virus continues to circulate and change
- How do vaccines work? - World Health Organization (WHO)
Before the measles vaccine was introduced in 1963, major epidemics occurred every few years, causing an estimated 2 6 million deaths annually, mostly among young children Between 2000 and 2023, measles vaccination prevented an estimated 60 million deaths
- Whats in a vaccine? - World Health Organization (WHO)
Live-attenuated vaccine A live-attenuated vaccine uses a living but weakened version of the virus or one that’s very similar The measles, mumps and rubella (MMR) vaccine and the chickenpox and shingles vaccine are examples of this type of vaccine This approach uses similar technology to the inactivated vaccine and can be manufactured at scale
- Vaccines and immunization: Vaccine safety - World Health Organization (WHO)
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 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
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