Vaccines and immunization: What is vaccination?
2024年4月23日 · 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.
Coronavirus disease (COVID-19): Vaccines and vaccine safety
2024年10月8日 · 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 ...
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 …
Vaccines and immunization - World Health Organization (WHO)
2024年11月18日 · 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.
How do vaccines work? - World Health Organization (WHO)
2020年12月8日 · Regardless of whether the vaccine is made up of the antigen itself or the blueprint so that the body will produce the antigen, this weakened version will not cause the disease in the person receiving the vaccine, but it will prompt their immune system to respond much as it would have on its first reaction to the actual pathogen.
Know the facts - World Health Organization (WHO)
2025年1月14日 · 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)
2024年10月8日 · 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.
Vaccines and immunization - World Health Organization (WHO)
2022年9月30日 · The Regional Strategic Framework for Vaccine-Preventable Diseases and Immunization in the Western Pacific 2021-2030 was developed to expand the scope of immunization, maximize the benefits of vaccines and immunization programmes, and further accelerate control, and achieve and sustain elimination of additional vaccine-preventable diseases ...
Statement on the antigen composition of COVID-19 vaccines
2024年12月23日 · The WHO Technical Advisory Group on COVID-19 Vaccine Composition (TAG-CO-VAC) continues to closely monitor the genetic and antigenic evolution of SARS-CoV-2 variants, immune responses to SARS-CoV-2 infection and COVID-19 vaccination, and the performance of COVID-19 vaccines against circulating variants. Based on these evaluations, WHO advises vaccine manufacturers and regulatory authorities on ...
Global vaccine market report 2024 - World Health Organization …
2024年12月19日 · The 2024 GVMR provides a snapshot of vaccine markets globally in 2023, covering 88 vaccine products sold in 207 countries and procurement channels by 116 manufacturers. The report analyses market trends between different country income groups and regions and over time using historical data, to support an improved understanding of individual ...