Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A preparation of a weakened or killed pathogen, such as a bacterium or virus, or of a portion of the pathogen's structure that upon administration stimulates antibody production or cellular immunity against the pathogen but is incapable of causing severe infection.
  • n. A preparation from the cowpox virus that protects against smallpox.
  • n. Computer Science A software program designed to detect and stop the progress of computer viruses.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A substance given to stimulate the body's production of antibodies and provide immunity against a disease, prepared from the agent that causes the disease, or a synthetic substitute.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to cows; pertaining to, derived from, or caused by, vaccinia.
  • adj. Of or pertaining to a vaccine or vaccination.
  • n. The virus of vaccinia used in vaccination.
  • n. 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.
  • n. A program designed to protect a computer from software viruses, by detecting and or eliminating them.

from The Century Dictionary and Cyclopedia

  • Of or pertaining to cows; derived from cows: as, the vaccine disease, or cowpox.
  • Of or relating to vaccinia or vaccination.
  • n. The virus of cowpox or vaccinia, used in the process of vaccination as a preventive of smallpox.
  • n. In a general sense, the modified virus of any specific disease introduced into the body by inoculation, with a view to prevent or mitigate a threatened attack of that disease or to confer immunity against subsequent attacks.
  • n. Also vaccin.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. immunogen consisting of a suspension of weakened or dead pathogenic cells injected in order to stimulate the production of antibodies

Etymologies

From Latin vaccīnus, of cows, from vacca, cow.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin vaccinus, from vacca ("cow") (because of early use of the cowpox virus against smallpox). Cf. New or Scientific Latin (variola) vaccīna, or "cowpox". (Wiktionary)

Examples

  • * obama: h1n1 vaccine 'strongly recommended'* pregnant women express fears over swine flu vaccine* cdc warns neurologists to watch for nerve disease after shots* h1n1 unlikely to mutate into' superbug ': US study* swine flu won't be as dangerous as we thought, uk official says* pfizer agrees record fraud fine* envirohealth: intl paper treads monsanto's path to' frankenforests'* more geo-engineering: can man-made 'volcanoes' slow down climate change?

    media monarchy

  • But now the vaccine is almost here, the question is, “Do you want it?”

    What to know about getting H1N1 vaccine

  • Immunity from legal suits in this case means if the vaccine is a suspected cause of death or injury, the law will not allow victims to sue the vaccine manufacturer.

    Flu shots can give a different kind of immunity : Law is Cool

  • The influenza vaccine is the only vaccine that needs to be given at a particular time of the year.

    Age groups and vaccines — Grandma, Grandpa and other adults

  • Many people incorrectly assume that a choice not to get a vaccine is a risk-free choice.

    Vaccines and Society

  • The choice not to get a vaccine is a choice to risk the disease that the vaccine prevents.

    Vaccines and Society

  • Like the infant vaccine, this vaccine is administered with tetanus and diphtheria vaccines as a shot.

    Tetanus, Diptheria, Pertussis

  • Finally, the cost of the vaccine is likely to be similar to that of getting the blood work, so if a vaccine is then necessary, the cost will also be higher when the same could have been accomplished by just administering the vaccine.

    Measles, Mumps, Rubella (MMR)

  • The other vaccine is the human papillomavirus (HPV) vaccine.

    Hepatitis B Vaccine

  • One of the factors in favor of the vaccine is the fact that girls can live a pure life and still get this disease later from a spouse/partner who made bad decisions at a younger age.

    Do We Really Need Gardasil To Protect Teen Girls?

Comments

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  • "Nowhere was pneumonia more severe than among workers in South Africa's gold and diamond mines. Epidemic conditions were virtually constant and outbreaks routinely killed 40 percent of the men who got sick. In 1914 South African mine owners asked Sir Almroth Wright to devise a vaccine against pneumonia. He claimed success. In fact he not only failed, his vaccinations could kill. This and other errors earned Wright the mocking nickname 'Sir Almost Right' from competing investigators."
    —John M. Barry, The Great Influenza (NY: Penguin Books, 2004), 154

    (Note for posterity: Sir Almroth Wright had been knighted for developing a typhoid vaccine.)

    February 14, 2009

  • See vaccimulgence for a surprise.

    September 30, 2007