Attenuated virus
attenuated virus
attenuated virus n.
a strain of a virus whose pathogenicity has been reduced so that it will initiate the immune response without producing the specific disease.
historical examples
pasteurism, pas-tėr′izm, n. the method of inoculation with the attenuated virus of certain diseases, esp.
chambers’s twentieth century dictionary (part 3 of 4: n-r) various
thirdly, he showed that inoculation with the attenuated virus rendered an animal immune from infection with rabies.
little masterpieces of science: health and healing various
the matter first came to a practical issue by the inoculation of well animals with the attenuated virus.
notable events of the nineteenth century various
he proposed to furnish a drove of fifty sheep half of which were to be inoculated with the attenuated virus of pasteur.
a history of science, volume 4(of 5) henry smith williams
in the chapter on fowl cholera is described how pasteur first obtained his attenuated virus.
louis pasteur ren vallery-radot
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to weaken or reduce in force, intensity, effect, quant-ty, or value: to attenuate desire. to make thin; make slender or fine. bacteriology, immunology. to render less virulent, as a strain of pathogenic virus or bacterium. electronics. to decrease the amplitude of (an electronic signal). to become thin or fine; lessen. weakened; diminishing. botany. tapering gradually […]
- Attenuation
the act of or the state of being . the process by which a virus, bacterium, etc., changes under laboratory conditions to become harmless or less virulent. physics. a decrease in a property, as energy, per unit area of a wave or a beam of particles, occurring as the distance from the source increases as […]
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a device for decreasing the amplitude of an electronic signal. noun (physics) any device designed to reduce the power of a wave or electrical signal without distorting it a person or thing that attenuates
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to bear witness to; certify; declare to be correct, true, or genuine; declare the truth of, in words or writing, especially affirm in an official capacity: to attest the truth of a statement. to give proof or evidence of; manifest: his works attest his industry. to put on oath. to testify or bear witness (often […]
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an act of . an declaration; testimony; evidence. contemporary examples planned parenthood went to court instead of signing the “attestation.” planned parenthood takes fight against arizona defunding law to court terry greene sterling july 17, 2012 historical examples the formula of attestation is very curious and may have been distorted either by the original scribe […]