Vaccine, Salk — Vaccine against poliomyelitis named for Dr. Jonas Salk who developed and introduced it in 1955. It was the first type of polio vaccine to become available. It was made by cultivating three strains of the virus separately in monkey tissue. The… … Medical dictionary
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… … The Collaborative International Dictionary of English
vaccine — [vak sēn′, vak′sēn] n. [L vaccinus, from cows < vacca, cow; akin ? to Sans vaśā, rogue cow] 1. lymph, or a preparation of this, from a cowpox vesicle, containing the causative virus and used in vaccination against cowpox or smallpox 2. any… … English World dictionary
Vaccine — For other uses, see Vaccine (disambiguation). A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease causing microorganism, and is often made from… … Wikipedia
vaccine — /vak seen / or, esp. Brit., /vak seen, sin/, n. 1. any preparation used as a preventive inoculation to confer immunity against a specific disease, usually employing an innocuous form of the disease agent, as killed or weakened bacteria or viruses … Universalium
Vaccine controversies — James Gillray, The Cow Pock or the Wonderful Effects of the New Inoculation! (1802) A vaccine controversy is a dispute over the morality, ethics, effectiveness, or safety of vaccinations. Medical and scientific evidence surrounding vaccinations… … Wikipedia
Vaccine controversy — A vaccine controversy is a dispute over the morality, ethics, effectiveness, or safety of vaccination. Medical opinion is that the benefits of preventing suffering and death from infectious diseases greatly outweigh the risks of adverse effects… … Wikipedia
vaccine — Originally, the live v. (vaccinia, cowpox) virus inoculated in the skin as prophylaxis against smallpox and obtained from the skin of calves inoculated with seed virus. Usage has extended the meaning to include essentially any preparation… … Medical dictionary
vaccine — noun Etymology: French vaccin, from vaccine cowpox, from New Latin vaccina (in variolae vaccinae cowpox), from Latin, feminine of vaccinus, adjective, of or from cows, from vacca cow; akin to Sanskrit vaśa cow Date: 1813 a preparation of killed… … New Collegiate Dictionary
vaccine — (vak sĭn) A preparation of either killed microorganisms; living, weakened (attenuated) microorganisms; or inactivated bacterial toxins (toxoids). It is administered to induce development of the immune response and protect the individual against a … Dictionary of microbiology
vaccine — vac•cine [[t]vækˈsin[/t]] esp. brit. [[t]ˈvæk sin[/t]] n. 1) imu any preparation of weakened or killed bacteria or viruses introduced into the body to prevent a disease by stimulating antibodies against it 2) mcr the virus of cowpox, used in… … From formal English to slang
