德国科学家最近培育出一种可以生产乙肝疫苗的转基因胡萝卜,通过生吃或者榨汁食用,就可以达到接种疫苗的效果,简便易行。不过,科学家表示,该方法还需进一步试验来验证疫苗疗效。现有的乙肝疫苗一般是通过在酵母细胞的培养基中培养等途径获得,费时费力而且成本较高。因此,来自吉 German scientists have recently bred a transgenic carrot that can produce hepatitis B vaccine, which can be easily and practically eaten by eating raw or squeezed juices. However, scientists said the method still needs further tests to verify vaccine efficacy. Existing hepatitis B vaccines are generally obtained by culturing them in the culture medium of yeast cells and the like, which is laborious and costly. So from Kyrgyzstan