美国麻省理工学院科学家成功研制出一种可一天内生产数百剂疫苗的移动疫苗打印机。打印机能生产热稳定的新冠RNA疫苗，且该疫苗在小鼠中产生的免疫反应，与注射RNA疫苗相当。这种打印机可放在桌面上，其用数百个含有疫苗的微针生产贴片，贴片会附着在皮肤上，使疫苗无需传统注射即可溶解。一经打印出来，疫苗贴片在室温下能储存数月。
来源：科技日报
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