Latest Rumor Surveillance

We inform you about the latest infectious disease outbreaks from overseas.  Read the previous articles.

Information as of December 24, 2025

Public Health Risk Assessment associated with the yellow fever situation in the Americas Region – 23 May 2025|23 May 2025 |Pan American Health Organization
This rapid risk assessment (RRA) aims to assess the current public health risk associated with the increase in yellow fever cases in 2025 in endemic countries of the Americas Region.

Epidemiological Alert Hantavirus Pulmonary Syndrome in Americas Region – 19 December 2025|19 Dec 2025 |Pan American Health Organization
Given the increase in cases of hantavirus infection reported during 2025 in endemic countries of the Americas Region, particularly in the Southern Cone, and considering the increase in lethality observed in some of these countries, the Pan American Health Organization / World Health Organization (PAHO/WHO) reminds Member States of the need to maintain and strengthen epidemiological surveillance of this disease, ensure timely diagnosis and proper management of cases, as well as promote intersectoral actions aimed at reducing the associated environmental and occupational risk.

Briefing Note: Prevention and control measures to prevent the transmission of seasonal influenza. 19 December 2025|22 Dec 2025 |Pan American Health Organization
Briefing Note: Prevention and control measures to prevent the transmission of seasonal influenza. 19 December 2025