Teacher:You are given a sentence in English. Your job is to translate the English sentence into Portugese.
Teacher: Now, understand the problem? Solve this instance: So vaccines work by introducing into our body a thing called an antigen which is a safe form of a germ.
Student:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
As vacinas funcionam introduzindo no nosso corpo algo chamado antigénio que é uma forma segura do micróbio.