See Of the Amazon rainforest Vaccination against yellow fever and having anti-malaria medication can be necessary if you are travelling on the Midwestern state of Mato Grosso or perhaps the northern (Amazon) areas. In case you are arriving from Peru, Colombia or Bolivia, proof of yellow fever vaccination is required https://addmeintop10.com/profile.php?op=userinfo&name=Your_Account&user=bell-bethea-451692&from=space