attenuated virus

[ ə-tĕn′yōō-ā′tĭd ]

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A strain of a virus whose pathogenicity has been reduced so that it will initiate the immune response without producing the specific disease.

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The vaccine is delivered through a “carrier virus” that causes a common cold in chimpanzees but does not affect humans.
The Race for the Ebola Vaccine|Abby Haglage|January 7, 2015|DAILY BEAST
He became delirious, his heartbeat grew ragged, his blood teemed with the virus, and his lungs, liver and kidneys began to fail.
The Daily Beast’s Best Longreads, Dec 8-14, 2014|William Boot|December 13, 2014|DAILY BEAST
By May 27, five people had succumbed to the virus and 16 more were infected.
Jail Threats for Sierra Leone Ebola Victims’ Families|Abby Haglage|December 10, 2014|DAILY BEAST
The current FDA-approved measles vaccine consists of live but weakened measles virus that is injected into the arm.
Powdered Measles Vaccine Could Be Huge for Developing World|Kent Sepkowitz|December 2, 2014|DAILY BEAST

The fact that the virus is still alive has sustained many safety concerns, both rational and irrational, about its use.
Powdered Measles Vaccine Could Be Huge for Developing World|Kent Sepkowitz|December 2, 2014|DAILY BEAST
Such of the sound waves is pass through the second nick will become attenuated in charging the chamber B.
The Recent Revolution in Organ Building|George Laing Miller
Beneath those robes must have been a body as attenuated as a skeleton, as different as an insect's from man's.
Valley of the Croen|Lee Tarbell
Dr. Henry Brodrick was a tall, attenuated John, with a slightly, ever so slightly receding chin.
The Creators|May Sinclair
Sahib, what could my attenuated and wasted frame do against men who had suffered no misery like mine?
Confessions of a Thug|Philip Meadows Taylor
If there is neuritis from the virus it becomes intense and causes muscular contractions, paresis, and paralysis.
Essays In Pastoral Medicine|Austin Malley