South America

Season running low

South America logged 118,365 cases in August 2026, running well above the seasonal baseline.

Year-to-date totals sit at 1,655,345, running slightly below the expected burden.

Data refreshed: 18 September 2026

South America

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Argentina

Argentina is estimated to have experienced 89 cases this year to date. This is 0.0× the number of cases reported in an average year. This year the dengue situation in Argentina is below average.

Recent months contain observed data only

Bolivia

Bolivia is estimated to have experienced 68,007 cases this year to date. This is 1.6× the number of cases reported in an average year. This year the dengue situation in Bolivia is above average.

Recent months contain observed data only

Brazil

Brazil is estimated to have experienced 1,350,983 cases this year to date. This is 0.7× the number of cases reported in an average year. This year the dengue situation in Brazil is below average.

Recent months contain observed data only

Chile

Chile is estimated to have experienced 30 cases this year to date. This is 0.9× the number of cases reported in an average year. This year the dengue situation in Chile is below average.

Recent months contain observed data only

Colombia

Colombia is estimated to have experienced 77,071 cases this year to date. This is 1.0× the number of cases reported in an average year. This year the dengue situation in Colombia is near average.

Recent months contain observed data only

Ecuador

Ecuador is estimated to have experienced 32,597 cases this year to date. This is 1.9× the number of cases reported in an average year. This year the dengue situation in Ecuador is above average.

Recent months contain observed data only

French Guiana

French Guiana is estimated to have experienced 12 cases this year to date. This is 0.0× the number of cases reported in an average year. This year the dengue situation in French Guiana is below average.

Recent months contain observed data only

Guyana

Guyana is estimated to have experienced 56,293 cases this year to date. This is 6.7× the number of cases reported in an average year. This year the dengue situation in Guyana is above average.

Some recent months contain estimated data

Peru

Peru is estimated to have experienced 49,521 cases this year to date. This is 0.9× the number of cases reported in an average year. This year the dengue situation in Peru is below average.

Recent months contain observed data only

Paraguay

Paraguay is estimated to have experienced 9,860 cases this year to date. This is 0.2× the number of cases reported in an average year. This year the dengue situation in Paraguay is below average.

Recent months contain observed data only

Suriname

Suriname is estimated to have experienced 595 cases this year to date. This is 2.0× the number of cases reported in an average year. This year the dengue situation in Suriname is above average.

Recent months contain estimated data

Uruguay

Uruguay is estimated to have experienced 0 cases this year to date. This is 0.0× the number of cases reported in an average year. This year the dengue situation in Uruguay is below average.

Some recent months contain estimated data

Venezuela

Venezuela is estimated to have experienced 10,287 cases this year to date. This is 0.5× the number of cases reported in an average year. This year the dengue situation in Venezuela is below average.

Recent months contain observed data only