According to the latest epidemiological bulletin from Colombia, in 2026 a total of 449 probable cases and 33 confirmed cases have been reported, all originating from Tolima. With the continuation of this active outbreak, the disease poses a risk to neighboring departments, which is why vaccination efforts have been intensified in the affected and surrounding areas.

Colombia

Toronto Public Health (TPH) has confirmed two travel-related cases of mpox clade Ib. These are the first cases of this mpox variant identified in Toronto and Ontario.

Canadá

Argentina has reported 47 confirmed and probable cases of chikungunya fever. Of these, 27 are autochthonous and 20 are imported, with travel history to Bolivia, Brazil, Paraguay, and Cuba. The outbreak mainly affects border localities in Salta, with a 177% week-over-week increase.

Argentina

Colombia´s National Natural Parks Service announces the temporary closure of Tayrona National Park to ensure safety. The measure aims to protect the well-being of visitors, local communities, and staff, while strengthening security and institutional presence in the area.

Colombia

Between late 2025 and early 2026, a sustained increase in chikungunya cases has been observed in countries and territories of the Region of the Americas, as well as the resumption of autochthonous transmission in areas where the virus had not been circulating for several years. In this context, the Pan American Health Organization / World Health Organization (PAHO/WHO) urges Member States to strengthen epidemiological and laboratory surveillance, ensure early detection and appropriate clinical management of cases, and consolidate integrated vector control actions, in order to limit transmission and reduce associated morbidity and mortality.

Bolivia, Brasil, Paraguay, Guayana, Guayana Francesa, Suriname

The Nipah virus, which can be lethal and for which there is no vaccine or antiviral treatment, has resurfaced in India, forcing 190 people to be placed under surveillance, as well as control measures in other Asian countries.

India