The successful expression of HEV ORF2 protein in p. Pastoris and the production of recombinant protein provides basis for genetically engineered vaccine development of hepatitis E.

HEV结构区ORF2蛋白在甲醇营养型酵母中的成功表达，以及初步纯化得到的具有强免疫学活性的重组蛋白，为研制新型戊型肝炎基因工程疫苗奠定了基础。

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Cantab Pharmaceuticals, a British biotechnology firm, has a genetically engineered vaccine now in clinical trials to protect against herpes simplex infection and reduce the recurrence of genital herpes.

ECONOMIST: Vaccines

As part of a six-man experiment at the Walter Reed Army Institute of Research in 1987, he had himself injected four times with a genetically engineered malaria vaccine.

FORBES: Booster Shot

And a debate is raging as to whether or not to inoculate the public against smallpox or whether the vaccine would prove effective against genetically engineered strains of the virus.

BBC: Anthrax investigation stalled