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自从1986年在阿根廷进行了一个有争论性的 rDNA 疫苗田间试验以来,从表面上看来,仍然可以感受到其影响的存在。现在正在流传着未经证实的消息,说几个帮助在牛身上进行这一试验的阿根廷农场工人已经染上了这种被改变了的病毒。这一消息说,他们似乎没有发病,而且他又说,他们已经研制出一种能抗这种病毒的非特异性抗体。可以回想起 Wistar 研究所(在宾夕法尼亚的费城)曾用遗传工程的痘苗病毒进行试验,
Since the field trials of a controversial rDNA vaccine in Argentina in 1986, the effects have been felt on the surface. Unconfirmed reports are now circulating that several Argentinean farm workers who helped conduct the trial on cattle are already infected with the altered virus. The news said they did not seem to have any morbidity, and he added that they have developed a nonspecific antibody that is resistant to the virus. Recall that the Wistar Institute (Philadelphia, PA) had tested with genetically engineered vaccinia virus,