Medical Definition of Attenuated virus
Attenuated virus: A weakened, less vigorous virus. An attenuated virus may be used to make a vaccine that is capable of stimulating an immune response and creating immunity, but not of causing illness.
Source: MedTerms™ Medical Dictionaryhttp://www.medicinenet.com/script/main/art.asp?articlekey=7169
Last Editorial Review: 3/19/2012
Drug Medical Dictionary of Terms by Letter
Medical Dictionary Term:
Updated & New
