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Vaccines and immunization: What is vaccination?
Apr 23, 2024 · Vaccines protect us throughout life and at different ages, from birth to childhood, as teenagers and into old age. In most countries you will be given a vaccination card that tells …
Vaccines and immunization - World Health Organization (WHO)
Jan 13, 2025 · Vaccines train your immune system to create antibodies, just as it does when it’s exposed to a disease. However, because vaccines contain only killed or weakened forms of …
COVID-19 vaccines - World Health Organization (WHO)
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 …
Know the facts - World Health Organization (WHO)
Feb 11, 2025 · Vaccines are also critical to the prevention and control of infectious disease outbreaks. They underpin global health security and are a vital tool in the battle against …
Coronavirus disease (COVID-19): Vaccines and vaccine safety
Protein-based vaccines: These contain harmless fragments of proteins or protein shells that mimic the COVID-19 virus to safely generate an immune response, Viral vector vaccines: These use …
Immunization, Vaccines and Biologicals - World Health …
The Immunization, Vaccines and Biologicals department is responsible for targeting vaccine-preventable diseases, guiding immunization research and establishing immunization policy. …
How do vaccines work? - World Health Organization (WHO)
Dec 8, 2020 · Some vaccines require multiple doses, given weeks or months apart. This is sometimes needed to allow for the production of long-lived antibodies and development of …
A Brief History of Vaccination - World Health Organization (WHO)
Early experiments with influenza vaccines are carried out: the US Army Medical School tests 2 million doses in 1918, but results are inconclusive. Read more about the history of Influenza …
Counting the impact of vaccines - World Health Organization (WHO)
Vaccines also protect countries from the overwhelming economic impact of disease outbreaks. As we have seen with the COVID-19 pandemic, disease outbreaks are disruptive and costly. …
Mpox: Vaccines - World Health Organization (WHO)
Yes, there are vaccines available to help prevent and reduce ththe symptoms of mpox. There are some important differences between how these vaccines are given, and to whom they can be …