似乎是第一次对艾滋病病毒实验性的疫苗创造了很多积极的期望这一免疫接种进展将使人不再染上爱滋病
It seems that for the first time, an experimental vaccine for the HIV virus has created many positive expectations. This progress in immunization will prevent people from contracting AIDS
以上为机器翻译结果，长、整句建议使用 人工翻译 。