“疫苗君,你们家族除了你,应该还有很多成员吧?你能带我认识一下它们吗?”外福来记得小时候注射过许多疫苗。“当然可以!”说着,疫苗君把外福来带到一间专门储存疫苗的冷库。“你好哇,外福来!我是卡介苗,你刚出生时就注射了,我可以预防结核病。”“外福来,还记得我吗?我是口服脊髓灰质炎疫苗,可以有效预防小儿麻痹症。” “Vaccine Jun, your family in addition to you, there should be a lot of members, can you take me to know them? ” The exiles to remember a lot of childhood vaccine injection. “Of course! ” Said, the vaccine Junfu to bring a special cold storage of vaccines. I’m a BCG, you just got injected when I was born and I can prevent it. “” Fookilai, remember me? I am an oral polio vaccine, which can effectively prevent children Paralysis. "