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- 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
- Vaccines and immunization: What is vaccination?
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 you what vaccines you or your child have had and when the next vaccines or booster doses are due It is important to make sure that all these vaccines are up to date
- A Brief History of Vaccination
For centuries, humans have looked for ways to protect each other against deadly diseases From experiments and taking chances to a global vaccine roll-out in the midst of an unprecedented pandemic, immunization has a long history
- COVID-19 vaccines - World Health Organization (WHO)
Read WHO’s Global COVID-19 Vaccination Strategy outlining the steps to achieve effective and equitable distribution of vaccines See WHO’s landscape of COVID-19 vaccine candidates for the latest information on vaccines in clinical and pre-clinical development
- How do vaccines work? - World Health Organization (WHO)
How vaccines help fight disease Vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body Other vaccines contain weakened or reconstituted virus or bacteria as a whole Newer vaccines contain the blueprint for producing antigens (DNA or RNA) rather than the antigen itself
- Immunization, Vaccines and Biologicals - World Health Organization (WHO)
The Immunization, Vaccines and Biologicals department is responsible for targeting vaccine-preventable diseases, guiding immunization research and establishing immunization policy
- Statement on the antigen composition of COVID-19 vaccines
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
- Global vaccine market report 2024 - World Health Organization (WHO)
The insights from this report provide valuable market intelligence to governments, industry, global public health agencies, and other key decision-makers It helps identify challenges and opportunities to accelerate equitable access to vaccines worldwide, aligning with the Call to Action issued in the 2022 GVMR, which remains highly relevant today
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