백신 과학 중등 2-2
<div align='center'><img width='780px' src='https://coudae.s3.ap-northeast-2.amazonaws.com/A00949306/cloud/5376.jpg' /></div> <div align="center"><b><span style="font-size: 14px;">백신 과학 중등 2-2</span></b></div><div align="center"></div><div align="center"><img width="780px" src="https://coudae.s3.ap-northeast-2.amazonaws.com/A00949306/p/3006132818/815600.png"></div><div> </div><div align='center'><img width='780px' src='https://coudae.s3.ap-northeast-2.amazonaws.com/A00949306/cloud/6428.jpg' /></div>