Fight against pathogens

BIOLOGÍA Y GEOLOGÍA SECUNDARIA

INTRODUCTION

Sure your mum and dad have ever taken you to the doctor to get vaccinated. In fact, in the last class we were talking about if vacunation is necessary or not. But, have you ever think about what is a vaccine? or have you ever feel sick after vaccination? We are going to solve all these questions. Cheer up, you can do it! 

 

 

(Puede quitar la publicidad ampliando la cuenta)