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vaccine    音标拼音: [v,æks'in]
n. 疫苗
a. 疫苗的,牛痘的

疫苗疫苗的,牛痘的

vaccine
n 1: immunogen consisting of a suspension of weakened or dead
pathogenic cells injected in order to stimulate the
production of antibodies [synonym: {vaccine}, {vaccinum}]

Vaccine \Vac"cine\ (v[a^]k"s[imac]n or v[a^]k"s[i^]n; 277), a.
[L. vaccinus, fr. vacca a cow; cf. Skr. v[=a][,c] to bellow,
to groan.]
1. Of or pertaining to cows; pertaining to, derived from, or
caused by, vaccinia; as, vaccine virus; the vaccine
disease.
[1913 Webster]

2. Of or pertaining to a vaccine or vaccination.
[PJC]


Vaccine \Vac"cine\ (v[a^]k*s[=e]n" or v[a^]k"s[=e]n), n.
1. The virus of vaccinia used in vaccination.
[1913 Webster]

2. any preparation used to render an organism immune to some
disease, by inducing or increasing the natural immunity
mechanisms. Prior to 1995, such preparations usually
contained killed organisms of the type for which immunity
was desired, and sometimes used live organisms having
attenuated virulence. Since that date, preparations
containing only specific antigenic portions of the
pathogenic organism have also been used. Some of these are
prepared by genetic engineering techniques.
[PJC]

3. (Computers) A program designed to protect a computer from
software viruses, by detecting and or eliminating them.
[PJC]



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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)
    The COVID-19 global health emergency saw the fastest vaccine rollout the world has ever seen Now it’s time to share just how remarkable that journey really was The Delivery is a tool that allows you to explore the stories, statistics, and determination that underpin it all Explore the triumphs and breakthroughs that kept us moving forward, perfectly preserving the efforts of our
  • 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
  • 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
  • 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: Vaccine safety
    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 How do we know that a vaccine is safe?
  • 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
  • Vaccines WPRO - World Health Organization (WHO)
    Vaccines are available to prevent more than 20 life-threatening diseases, helping people live longer, healthier lives They reduce risks of getting a disease by working with your body’s natural defenses to build protection When you get a vaccine, your immune system responds
  • Vaccine efficacy, effectiveness and protection
    Vaccine protection and timing Vaccines work by building strong protection against disease Some vaccines require only one dose to build protection, while others need multiple doses spaced apart – called the primary series – to develop full protection
  • 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





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