The association of the temperature-sensitive phenotype with viral attenuation in animals and humans: implications for the development and use of live virus vaccines.

Abstract excerpt

Viruses that possess temperature-sensitive mutations are consistently attenuated in vivo compared with the wild-type parental strains. Such temperature-sensitive (ts) mutants are currently used in several live attenuated virus vaccines and have been proposed for use against several additional viral diseases, including influenza. This paper reviews the following: (1) the evidence that the ts mutation itself is...

Topics

• Animals
• Body Temperature
• Humans
• Mutation
• Phenotype
• Temperature
• Vaccines, Attenuated
• Viral Vaccines
• Virulence
• Virus Diseases
• Virus Replication