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.
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.
Excerpt from World Health Organization:On 21 March 2026, the National International Health Regulations (IHR) Focal Point for Italy notified the World Health Organization (WHO) of the identification of a human case of avian influenza A(H9) in an adult male returning from Senegal. Next generation sequencing confirmed Influenza A(H9N2). According to epidemiological investigations, the patient had no known history of exposure to poultry or any person with similar symptoms prior to the onset of symptoms. Authorities in Italy have implemented a series of measures aimed at monitoring, preventing and controlling the situation. According to
Published Apr 10, 2026 · World Health Organization — Disease Outbreak NewsShare card
Excerpt from World Health Organization:On 15 November 2025, WHO was notified of the 71st confirmed human case with influenza A(H5) since early 2024 in the United States of America— the first human case reported in the United States of America since February 2025. On 20 November, U.S. Centers for Disease Control and Prevention (CDC) laboratory sequencing verified the virus as influenza A(H5N5), representing the first globally reported human case caused by an influenza A(H5N5) virus. The investigation by health authorities in the United States of America is ongoing. Contact tracing identified no further cases amongst contacts, and th
Published Dec 5, 2025 · World Health Organization — Disease Outbreak NewsShare card
Excerpt from World Health Organization:Between 1 January and 1 July 2025, the World Health Organization (WHO) was notified by Cambodia’s International Health Regulations (IHR) National Focal Point (NFP) of 11 laboratory-confirmed cases of human infection with avian influenza A(H5N1) virus. Seven of the 11 cases were reported in June, an unusual monthly increase. Avian influenza A(H5N1) was first detected in Cambodia, in December 2003, initially affecting wild birds. Since then, 83 cases of human infection with influenza A(H5N1), including 49 deaths (case fatality ratio [CFR] of 59%), have been reported in the country. While the vir
Published Jul 5, 2025 · World Health Organization — Disease Outbreak NewsShare card
Excerpt from World Health Organization:On 2 April 2025, the International Health Regulations (IHR) National Focal Point (NFP) for Mexico notified the World Health Organization (WHO) of the country’s first laboratory-confirmed human infection with an avian influenza A(H5N1) virus in the state of Durango. In response, local and national health authorities have implemented a range of measures to monitor, prevent, and control the situation. There have been reports of A(H5N1) outbreaks in birds in Durango, although the exact source of infection in this case remains under investigation. To date, no further cases of human infection with i
Published Apr 17, 2025 · World Health Organization — Disease Outbreak NewsShare card
Excerpt from World Health Organization:On 26 August 2024, the International Health Regulations (IHR) National Focal Point (NFP) for Ghana notified the World Health Organization (WHO) regarding the country's first reported human case of infection with a zoonotic (animal) influenza virus. Subsequent laboratory tests confirmed the presence of the avian influenza A(H9N2) virus. According to epidemiological investigations, the patient, under five years old, had no known history of exposure to poultry or any sick person with similar symptoms prior to the onset of symptoms. The Ghanaian government has implemented a series of measures aime
Published Sep 20, 2024 · World Health Organization — Disease Outbreak NewsShare card
Excerpt from World Health Organization:On 20 August 2024, the World Health Organization (WHO) was notified by the country’s International Health Regulations (IHR) National Focal Point (NFP) of a laboratory-confirmed case of human infection with avian influenza A(H5N1) virus (clade 2.3.2.1c) in a 15-year-old child in the Kingdom of Cambodia. This case is one of 10 human cases of influenza A(H5N1) infection reported in Cambodia in 2024. From 2003 to the present, 72 cases of human infection with influenza A(H5N1), including 43 deaths (case fatality ratio [CFR] of 59.7%), have been reported in the country. According to the IHR (2005),
Published Sep 2, 2024 · World Health Organization — Disease Outbreak NewsShare card
Excerpt from World Health Organization:Following further investigation and information sharing by national authorities in Mexico, this is an update to the Disease Outbreak News (DON) on human infection caused by avian influenza A(H5N2) published on 5 June 2024. As was previously reported, on 23 May 2024, the Mexico International Health Regulations (IHR) National Focal Point (NFP) reported to PAHO/WHO a confirmed case of human infection with avian influenza A(H5N2) virus in a patient with underlying co-morbidities who subsequently died. This is the first laboratory-confirmed human case of infection with an influenza A(H5N2) virus re
Published Jun 14, 2024 · World Health Organization — Disease Outbreak NewsShare card
Excerpt from World Health Organization:On 22 May 2024, the International Health Regulations (IHR) National Focal Point (NFP) for India reported to WHO a case of human infection with avian influenza A(H9N2) virus detected in a child resident of West Bengal state in India. This is the second human infection of avian influenza A(H9N2) notified to WHO from India, with the first in 2019. The child has recovered and was discharged from hospital. According to the IHR (2005), a human infection caused by a novel influenza A virus subtype is an event that has the potential for high public health impact and must be notified to the WHO. Most h
Published Jun 11, 2024 · World Health Organization — Disease Outbreak NewsShare card
Excerpt from World Health Organization:On 22 May 2024, the World Health Organization (WHO) was notified of a laboratory-confirmed case of human infection with avian influenza A(H5N1) virus (clade 2.3.2.1a) by the International Health Regulations (IHR) National Focal Point (NFP) of Australia. This is the first confirmed human infection caused by avian influenza A(H5N1) virus detected and reported by Australia. Although the source of exposure to the virus in this case is currently unknown, the exposure likely occurred in India, where the case had travelled, and where this clade of A(H5N1) viruses has been detected in birds in the pas
Published Jun 7, 2024 · World Health Organization — Disease Outbreak NewsShare card
Excerpt from World Health Organization:On 23 May 2024, the Mexico International Health Regulations (IHR) National Focal Point (NFP) reported to PAHO/WHO a confirmed fatal case of human infection with avian influenza A(H5N2) virus detected in a resident of the State of Mexico who was hospitalized in Mexico City. This is the first laboratory-confirmed human case of infection with an influenza A(H5N2) virus reported globally and the first avian H5 virus infection in a person reported in Mexico. Although the source of exposure to the virus in this case is currently unknown, A(H5N2) viruses have been reported in poultry in Mexico. Accor
Published Jun 5, 2024 · World Health Organization — Disease Outbreak NewsShare card
