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Outbreak Updates

28 July 2026

Brazil

Yellow fever in Brazil

As of 23 July 2026, a total of 15 confirmed yellow fever cases including eight deaths have been reported in Brazil. Most (11 cases) have been reported in Sao Paulo state. Please see our Topics in Brief article for further details on yellow fever.

Source: State Yellow fever in brief

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B. Africa or the Middle East

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UK Health Security Agency

Hospital for Tropical Diseases

Liverpool School of Tropical Medicine

London School of Hygiene and Tropical Medicine

University College London Hospitals NHS Foundation Trust

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Yellow fever in Brazil

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