Make sure all your childhood vaccines are up to date plus consult a doctor to discuss whether the following are necessary:

 - Hep A

 - Yellow Fever is compulsory for all Aussies planning to come back into Australia.

 - Typhoid

 - Malaria medicine might be needed if visiting the Amazon rainforest and wetlands of the Pantanal.

 - Make sure you have a DEET mozi repellent to protect from Dengue Fever.