While Carnival 2025 is a global celebration, the Federative Republic of Brazil's events in Sao Paulo and Rio de Janeiro may be most visited by international travelers from late February to early March.
Millions of Carnival participants, including about 200,000 visitors, will enjoy warm beaches, parades, and cultural festivities.
However, as of February 16, 2025, Carnival attendees in São Paulo State may be at risk for mosquito-transmitted diseases such as chikungunya, dengue, and yellow fever.
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