Visas: Passports must be valid for at least six months from date of entry. Visas are required for tourists of many nationalities, including Australia, Canada and the USA; visas are generally for 90 days, with one extension of up to 90 days possible.
Health risks: Dengue fever, malaria, meningitis, rabies, yellow fever
Time: GMT/UTC minus 2 hours for the Fernando de Noronha archipelago; GMT/UTC minus 3 hours in the east, northeast, south and southeast; GMT/UTC minus 4 hours in the west; and GMT/UTC minus 5 hours in the far west
Electricity: Unstandardized; mostly 110 or 120V, though some hotels have 220V; 60 Hz in Rio and SÃ£o Paulo
Weights & measures: Metric
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