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Aggregated from ECDC, WHO, and CDC. Refreshed every 6 hours.
On 2 May 2026, WHO received notification from the National IHR Focal Point of the United Kingdom of Great Britain and Northern Ireland (hereafter referred to as the United Kingdom) regarding a cluster of severe acute respiratory illness, including two deaths and one critically i…
There is an outbreak of ciguatera fish poisoning in Vanuatu.
On 2 May 2026, WHO received notification from the National International Health Regulations (2005) (IHR) Focal Point of the United Kingdom of Great Britain and Northern Ireland (hereafter referred to as the United Kingdom) regarding a cluster of severe acute respiratory illness,…
On 4 April 2026, the National IHR Focal Point of Bangladesh notified WHO of a significant increase in measles cases, driven by sustained domestic transmission. Since January 2026, Bangladesh has experienced a marked increase in measles cases. Geographically, cases have been repo…
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. Country List : Colombia, Samoa, Cook Islands (New Zealand), Bangladesh, Mali, Vietnam, New Caledonia (France), Timor-…
Since the previous update on 2 March 2026, and as of 30 March 2026, no new MERS cases have been reported by WHO or national health authorities.
On 21 March 2026, the National IHR Focal Point for Italy notified WHO of the identification of a human case of avian influenza A(H9) in an adult male. The patient had been in Senegal for more than six months and traveled to Italy in mid-March. Upon arrival, he visited the emerge…
Every month ECDC provides detailed epidemiological overview of the worldwide transmission of chikungunya virus disease in its weekly threat report (Communicable Diseases Threat Report).
Every month ECDC provides detailed epidemiological overview of the worldwide transmission of dengue in its weekly threat report (Communicable Diseases Threat Report).
There is an outbreak of meningococcal disease in the Mangembo Health Zone of Kongo Central Province. The best way to protect yourself is to get meningococcal vaccination.
As of March 2026, over 1 000 confirmed and possible cases of shigellosis and other gastrointestinal infections, including salmonellosis, have been detected in travellers returning from Cabo Verde to several countries in the European Union/European Economic Area (EU/EEA), the Uni…
Every month ECDC provides detailed epidemiological overview of the worldwide transmission of mpox in its weekly threat report.
An increased number of cases of yellow fever have been reported throughout Venezuela.
Since 10 December 2025, and as of 25 February 2026, 99 countries and territories have been identified as having received batches of infant formula products subject to recall due to contamination with cereulide toxin. During this period, 144 suspected and confirmed cases were rep…
There is an outbreak of chikungunya in Mayotte. You can protect yourself by preventing mosquito bites.
Some international destinations have circulating poliovirus. Before any international travel, make sure you are up to date on your polio vaccines. Country List : Afghanistan, Algeria, Benin, Cameroon, Chad, Côte d'Ivoire (Ivory Coast), Democratic Republic of the Congo, Niger, Ni…
There is an outbreak of chikungunya in Suriname. You can protect yourself by preventing mosquito bites.
In December 2025, the United Kingdom detected the first reported case of a clade Ib/IIb MPXV recombinant strain. 5 After classification of this case and posting in a public database as a novel MPXV recombinant strain, a case of mpox detected in India in September 2025 was ret…
There is an outbreak of chikungunya in Santa Cruz and Cochabamba Departments, Bolivia. You can protect yourself by preventing mosquito bites.
On 3 February 2026, the Bangladesh IHR NFP notified WHO of one confirmed case of NiV infection that occurred in Rajshahi Division, northwestern Bangladesh. The case was confirmed by Polymerase Chain Reaction (PCR) and Enzyme-Linked Immunosorbent Assay (ELISA) testing on 29 Janua…
There is an outbreak of chikungunya in Seychelles. You can protect yourself by preventing mosquito bites.
On 26 January 2026, the India IHR NFP notified WHO of two confirmed NiV infection cases that occurred in West Bengal State. Preliminary laboratory testing suggested NiV infection, and confirmation was received from the National Institute of Virology, Pune on 13 January 2026. The…
On 14 November 2025, after the laboratory confirmation of suspected viral hemorrhagic fever (VHF) cases in Jinka town, South Ethiopia Regional State, Ethiopia, the Ministry of Health of Ethiopia declared an outbreak of Marburg Virus Disease (MVD). Molecular testing conducted by…
There are outbreaks of clade II monkeypox in Ghana and Liberia, where monkeypox is endemic. Country List : Ghana, Liberia
Since the first report of MERS-CoV in the KSA and Jordan in 2012, a total 2635 laboratory-confirmed cases of MERS-CoV infection, with 964 associated deaths (Case Fatality Ratio (CFR) of 37%), have been reported to WHO from 27 countries, across all six WHO regions (Figure 1). The…
Illness and death due to Rocky Mountain spotted fever (RMSF) have been reported in the northern region of Mexico along the U.S. border, particularly in Baja California, Sonora, Chihuahua, Coahuila, and Nuevo León.
A case of rabies has been reported in a traveler from Morocco. Travelers potentially exposed to rabies in Morocco should immediately seek medical care. Upon returning home, travelers should follow up with their health care provider as soon as possible.
The 2025/26 influenza season has begun earlier than the previous two seasons, driven by the recently-emerged influenza virus A(H3N2) subclade K.
Globally, influenza activity has increased since October 2025 with influenza A viruses predominant among the viruses detected globally. In many northern hemisphere countries, acute respiratory infection levels increase at this time of year. These increases are typically caused b…
Since the lifting of the second PHEIC for mpox on 5 September 2025, and as of 24 November 2025, 43 new confirmed cases of clade Ib MPXV have been reported across six WHO regions outside areas where sustained community transmission of this virus strain has been occurring. In four…
On 15 November 2025, WHO was notified of a confirmed human infection with influenza A(H5) in the United States of America—the first reported in the country since February 2025 and the 71st since early 2024. On 20 November, CDC laboratory sequencing verified the virus as in…
On 3 December 2025, the French Ministry of Health reported two imported human Middle East respiratory syndrome (MERS) cases with travel history to the Arabian Peninsula.
The EVD outbreak in the Democratic Republic of the Congo (DRC) was declared on 4 September 2025. As of 30 November 2025, a total of 64 cases (53 confirmed, 11 probable), including 45 deaths (CFR 70.3%), have been reported from six health areas (Bambalaie, Bulape, Bulape Com, Dik…
This report provides an overview of the total number of cases of mpox (monkeypox) reported to ECDC and the WHO Regional Office for Europe through IHR/EWRS mechanisms .
In 2025, from 1 January to 2 November, a total of 20 412 suspected diphtheria cases, including 1 252 deaths (an average case fatality ratio [CFR] – 6.1 %) have been reported across eight Member States in the WHO African Region (Algeria, Chad, Guinea, Mali, Mauritania, Nige…
Areas in several countries are reporting a low number of cases of Oropouche. Oropouche is spread primarily through the bites of infected midges (small flies) and mosquitoes. Country List : Brazil, Peru, Cuba, Panama
An increased number of cases of yellow fever have been reported in Colombia.
There are confirmed and suspect cases of diphtheria in the Kankan region of Guinea. Vaccination against diphtheria is essential to protect against disease. If you are traveling to an affected area, you should be up to date with your diphtheria vaccines.
Increases in infections due to SARS-CoV-2, associated with an increase in detections of the NB.1.8.1 variant, have been observed in some countries in Asia (including China, Hong Kong, Singapore) in recent weeks. ECDC and WHO have classified NB.1.8.1 as a variant under monitoring…
In recent months there have been reports of monkeypox virus clade I cases in different EU/EEA countries following the geographic expansion of monkeypox virus clade I since mid-2024. This epidemiological update summarises these recent events.