Alerts

Alert center

New official outbreak reports, travel health notices, and significant week-over-week changes in reported activity. Each alert shows its source and publication date.

Personal email & push alerts for your saved locations and trips arrive with account sign-in (next phase). Until then, saved trips show a badge when an official notice changes.

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What the alert types and levels mean

WHO Disease Outbreak News: The World Health Organization's official reports on confirmed or potential acute public-health events. WHO does not give them levels.
CDC Travel Health Notices: U.S. CDC advice for travelers. Level 1: practice usual precautions. Level 2: practice enhanced precautions. Level 3: reconsider nonessential travel. Level 4: avoid nonessential travel.
Activity changes: Written by OutbreakWatch from the latest current week of official data. They are not alerts issued by a health authority; each one names the data it is based on.
Excerpts: Card text is a shortened excerpt of the official notice. Tap the title to read the full notice on the authority's website.

Official reports & notices

CDC Travel Health NoticeLevel 1 – Practice Usual PrecautionsDengue

Level 1 - Global Dengue

Where: Global · 15 countries, including Colombia and Vietnam

Excerpt from U.S. CDC Travelers' Health:Dengue is a year-round risk in many parts of the world, with outbreaks commonly occurring every 2–5 years. Travelers to risk areas should prevent mosquito bites.

Published Oct 2, 2026 · U.S. CDC Travelers' HealthShare card

WHO Disease Outbreak NewsDengue

Dengue – Iran (Islamic Republic of)

Where: Country report · Islamic Republic of Iran

Excerpt from World Health Organization:On 14 June 2024, the Ministry of Health and Medical Education (MoHME) of Iran reported the first two locally acquired cases of dengue recorded in the country. Local transmission of dengue within the community was confirmed in Bandar-Lengheh, Hormozgan Province, southern Iran. As of 17 July 2024, the total number of locally acquired (autochthonous) dengue cases in the country has risen to 12, all reported in Bandar-Lengheh. Dengue is a mosquito-borne viral disease caused by the dengue virus, with the potential to cause a serious public health impact. The primary vectors that transmit the diseas

Published Jul 22, 2024 · World Health Organization — Disease Outbreak NewsShare card

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