See In the Amazon rainforest Vaccination towards yellow fever and using anti-malaria medication might be important For anyone who is travelling on the Midwestern state of Mato Grosso or maybe the northern (Amazon) locations. Should you be arriving from Peru, Colombia or Bolivia, proof of yellow fever vaccination is necessary https://bravelight.net/profile.php?op=userinfo&user=shelley-rustin.451692&do=profile&from=space