On 17 May 2026, the World Health Organization (WHO) declared the Ebola virus disease outbreak caused by Bundibugyo virus in the Democratic Republic of the Congo (DRC) and Uganda a Public Health Emergency of International Concern.
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Since the last Disease Outbreak News was published on 13 June 2026, the number of confirmed cases and deaths have increased rapidly in the Democratic Republic of the Congo. In total, 915 confirmed cases; 896 from the Democratic Republic of the Congo and 19 from Uganda; and 234 d…
The Democratic Republic of the Congo (DRC) and Uganda are experiencing outbreaks of Bundibugyo virus disease (BVD). CDC recommends practicing enhanced precautions for travel to Uganda or to provinces in the DRC other than those affected by the outbreak. Country List : Democratic…
The Democratic Republic of the Congo (DRC) is experiencing an outbreak of Bundibugyo virus disease (BVD) in Ituri, Nord-Kivu (North Kivu), and Sud-Kivu (South Kivu) provinces. CDC recommends avoiding nonessential travel to these provinces.
Since the last Disease Outbreak News was published on 8 June 2026, the number of confirmed cases and deaths have increased rapidly in the Democratic Republic of the Congo. In total, 695 confirmed cases; 676 from the Democratic Republic of the Congo and 19 from Uganda; and 138 de…
Increased cases of malaria have been reported in Yemen, including in areas that were previously considered low-risk.
Since the last Disease Outbreak News was published on 29 May 2026, the number of confirmed cases and deaths have increased rapidly in the Democratic Republic of the Congo and Uganda. In total, 534 confirmed cases including 93 deaths (case fatality rate [CFR] 17.4%) have been rep…
Since April 2012, and as of 1 June 2026, a total of 2 649 MERS cases, including 960 deaths, have been reported by health authorities worldwide.
Manitoba, Canada is currently experiencing a hepatitis A virus (HAV) outbreak. HAV is contagious and spreads through close person-to-person contact and by eating contaminated food or drink.
There is an outbreak of chikungunya in French Guiana. You can protect yourself by preventing mosquito bites.
There are outbreaks of diphtheria in several countries in Africa. Vaccination against diphtheria is essential to protect against the disease. Country List : Chad, Guinea, Niger, Nigeria, Mali, Mauritania, Somalia
Increased cases of malaria have been reported in Mayotte. Malaria is spread by the bite of infected mosquitoes.
Since the last Disease Outbreak News was published on 21 May 2026, the number of suspected and confirmed cases has increased rapidly in the Democratic Republic of the Congo. In total, 906 suspected cases, including 223 deaths among suspected cases have been reported from Democra…
On 2 May 2026, WHO received notification from the IHR NFP 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 ill passenger, abo…
ECDC was notified on 2 May 2026 of a cluster of severe respiratory illness on MV Hondius, a Dutch-flagged cruise ship with passengers and crew from 23 countries, including nine EU/EEA countries. The virus has been identified as Andes hantavirus.
On 15 May 2026, the Ministry of Public Health, Hygiene and Social Welfare of Democratic Republic of the Congo (DRC) officially declared the 17 th Ebola disease outbreak following the laboratory confirmation of Bundibugyo virus disease (BVD) in eight samples. Concurrently, on 15…
Since 2023, 14 countries have reported more than 2 300 infections caused by multidrug-resistant (MDR) or extensively drug-resistant (XDR) Shigella sonnei and Shigella flexneri to ECDC. Seven genetically distinct MDR/XDR clusters, some with prolonged circulation and others more r…
Andes virus is a species of hantavirus carried by some rodents in South America. Andes virus is naturally present (endemic) in Argentina and Chile. Country List : Argentina, Chile
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), Mali, Vietnam, New Caledonia (France), Timor-Leste (East…
On 5 May 2026, WHO received an alert regarding an unknown illness with high mortality reported in Mongbwalu Health Zone, Ituri Province, including four health workers who died within four days. Following an in-depth investigation by the rapid response team in Mongbwalu and Rwamp…
There is an outbreak of chikungunya in Mauritius. You can protect yourself by preventing mosquito bites.
On 2 May 2026, WHO received notification from the IHR NFP 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 ill passenger, abo…
Every month ECDC provides detailed epidemiological overview of the worldwide transmission of mpox in its weekly threat report.
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…
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…
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…
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…
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…
The 2025/26 influenza season has begun earlier than the previous two seasons, driven by the recently-emerged influenza virus A(H3N2) subclade K.
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.