Increase in Travel-Associated and Locally Acquired Dengue Cases - United States, 2024

Published on May 14, 2026

This report describes an increase in dengue cases reported during 2024.

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Hantavirus cluster linked to cruise ship travel, Multi-country

May 11, 2026
WHO has published a Disease Outbreak News (DON) on Hantavirus cluster linked to cruise ship travel, Multi-country. The DON is available on the WHO website at the following link:https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON600Situation at a glanceOn 2 May 2026, a cluster of passengers with severe respiratory illness aboard a cruise ship was reported to the World Health Organiz

Recommendations and Reports: CDC Operational Guidance for Investigating Locally Acquired Mosquito-Transmitted Malaria - United States, 2026

May 19, 2026
This report describes operational guidance for public health investigation and response to mosquito-transmitted malaria in the United States.