例句與造句

1. Research on SuHV1 in pigs has pioneered animal disease control with genetically modified vaccines.
2. The project involves generation of genetically modified vaccine strains that would highly express immunogenic antigens on their surface.
3. In a trial sponsored by Cell Genesys of California, a 48-year-old man died the day after receiving a gene-modified vaccine.
4. Research on pseudorabies virus ( PrV ), the causative agent of Aujeszky's disease in pigs, has pioneered animal disease control with genetically modified vaccines.
5. But extensive safety and tests on humans will be needed before a vaccine can be produced, and liability issues in the use of a genetically modified vaccine could make companies reluctant to invest in production in the United States.
6. It's difficult to find modified vaccine in a sentence. 用modified vaccine造句挺難的