WHO data to 27 Sep 2026 · updates automatically
As of 27 September 2026, 28,312 confirmed mpox (monkeypox) cases and 55 deaths have been reported in 11 countries and territories in South America, 14.6% of the world total. The most affected are Brazil (15,027), Colombia (4,837), Peru (3,967). In August 2026 countries in South America reported 3 new cases, compared with 4 the month before.
Mpox map: South America
Map of confirmed mpox cases in South America.
New cases per month: South America
By month of report to WHO; hatched months are still being reported
Monthly new confirmed mpox cases in South America.
Total confirmed cases: South America
Cumulative since 2022
Cumulative confirmed mpox cases in South America.
Mpox cases by country in South America
11 countries and territories with confirmed cases. Click a column to sort.
Mpox in South America: frequently asked questions
How many mpox cases are there in South America?
11 countries and territories in South America have reported 28,312 laboratory-confirmed mpox cases to WHO as of 27 September 2026, 14.6% of all cases worldwide.
Which countries in South America have the most mpox cases?
The countries with the most confirmed cases are Brazil (15,027), Colombia (4,837), Peru (3,967), Chile (1,948), Argentina (1,431). Every country is listed in the table on this page, with a link to its own tracker.
Is mpox increasing in South America?
Countries in South America reported 3 new cases in August 2026, down from 4 in July. Over the last 90 days of data there were 7 new cases, against 13 in the previous 90 days.
How many people have died from mpox in South America?
55 mpox deaths have been confirmed in South America (0.19% of confirmed cases), the most in Peru (26).
Which countries in South America have reported clade Ib mpox?
4 countries in South America have reported clade Ib: Colombia, Chile, Argentina, Ecuador.
Where does this data come from?
Case and death counts are laboratory-confirmed figures reported by each country to the World Health Organization. WHO publishes about once a month, so figures can be several weeks behind; this page updates automatically when new data is released.