attenuated virus

attenuated virus definition - medical

at·ten·u·at·ed virus (ə-tĕnˈyo͞o-āˌtĭd)

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

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.