There is no mandatory vaccination to travel to Brazil. However, depending on the area, it is advisable to get vaccinated against yellow fever. In addition, there are three basic vaccines that every traveler should have: hepatitis A, tetanus-diphtheria, and MMR. You have all the information in: «Vaccines to travel to Brazil: what are the main diseases?«.
You have all the information in: "Vaccines to travel to Brazil: what are the main diseases?".