South America

Season running low

South America logged 41,631 cases in September 2026, running slightly below the seasonal baseline.

Year-to-date totals sit at 1,722,239, running slightly below the expected burden.

Data refreshed: 04 October 2026

South America

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Argentina

Argentina is estimated to have experienced 108 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.

Some recent months contain estimated data

Bolivia

Bolivia is estimated to have experienced 69,179 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.

Some recent months contain estimated data

Brazil

Brazil is estimated to have experienced 1,388,988 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 31 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.

Some recent months contain estimated data

Colombia

Colombia is estimated to have experienced 81,418 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 35,588 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 15 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.

Some recent months contain estimated data

Guyana

Guyana is estimated to have experienced 62,776 cases this year to date. This is 6.6× the number of cases reported in an average year. This year the dengue situation in Guyana is above average.

Recent months contain estimated data

Peru

Peru is estimated to have experienced 59,196 cases this year to date. This is 1.0× the number of cases reported in an average year. This year the dengue situation in Peru is near average.

Recent months contain observed data only

Paraguay

Paraguay is estimated to have experienced 10,146 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 478 cases this year to date. This is 1.5× the number of cases reported in an average year. This year the dengue situation in Suriname is above average.

Some 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 14,316 cases this year to date. This is 0.6× the number of cases reported in an average year. This year the dengue situation in Venezuela is below average.

Some recent months contain estimated data