Alertes sanitaires

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 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.

C. H. Szeto et al.

M. Siconelli et al.

J. Wang et al.

M. Dolande-Franco et al.

K. M. Ordoñez et al.

M. Pickich et al.

Historical data for the West Nile fever surveillance is available by year, since 2011.

Weekly updates with the latest reports on West Nile virus cases in Europe updated every Friday, during the transmission season.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 14-22 May 2026, and includes updates on hantavirus, chikungunya, Ebola disease outbreak, avian influenza, measles, and an overview of respiratory virus epidemiology in the EU/EEA.

Ecuador, first country in Latin America and the Caribbean to acquire mobile cold-chain vehicles for vaccines through PAHO Oscar Reyes 21 May 2026

PAHO and The Carter Center strengthen partnership to eliminate river blindness and other diseases in the Americas Cristina Mitchell 21 May 2026

C. Yurayart et al.

Suicide among adolescents and young adults on the rise in the Americas: PAHO warns of urgent need for prevention Cristina Mitchell 20 May 2026

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 recent, have been reported.

K. Okada et al.

L. J. Walker et al.

B. Breeze et al.

S. J. van Hal et al.

Peru joins the Alliance for Primary Health Care in the Americas Cristina Mitchell 19 May 2026

Public health leaders and institutions from Brazil, Colombia, Mexico, and Uruguay recognized by WHO for advances in tobacco control Cristina Mitchell 19 May 2026

PAHO and Google join forces to expand access to trusted health information across the Americas Oscar Reyes 19 May 2026

E. Finlayson-Trick et al.

D. Evans et al.

PAHO reinforces preparedness measures following WHO Ebola emergency declaration in Africa Region Cristina Mitchell 18 May 2026

The minister of health of the Dominican Republic assumed the presidency of the 79th World Health Assembly Cristina Mitchell 18 May 2026

Bahamian public health leader Dr. Merceline Dahl-Regis receives WHO Global Health Leaders Award at 79th World Health Assembly Cristina Mitchell 18 May 2026

World Health Assembly opens with focus on equity, resilience, and global health cooperation; Region of the Americas plays active role Cristina Mitchell 18 May 2026

J. H. Sogin

J. P. Mills

J. Yang et al.

M. Jose et al.

S. Chakraborty

H. Santos-Dutra et al.

S. Kammerer et al.

K. Toews et al.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 9-13 May 2026, and includes updates on avian influenza, human cases of swine influenza, mpox, and hantavirus.

Every month ECDC provides detailed epidemiological overview of the worldwide transmission of mpox in its weekly threat report.

J. Steiner et al.

R. Zhuo et al.

R. Gaynes

Since the beginning of 2026, and as of 4 May 2026, no MERS cases have been reported by WHO or national health authorities.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 2-8 May 2026, and includes updates on hantavirus, mpox, Middle East respiratory syndrome coronavirus (MERS-CoV), Salmonella Stanley, and an overview of respiratory virus epidemiology in the EU/EEA.

R. Kittiyaowamarn et al.

This report presents data on mpox cases reported to the European Surveillance System (EpiPulse Cases).

A. Abraham et al.

T. Foo et al.

T. Long et al.

The new monthly surveillance report from the European Centre of Disease Prevention and Control (ECDC) provides updated data on mpox in Europe and shows that clade I transmission is still ongoing in several EU/EEA countries.

M. Degreze et al.

V. Descalzo et al.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 18-24 April 2026, and includes updates on avian influenza, Salmonella Bovismorbificans, and an overview of respiratory virus epidemiology in the EU/EEA.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 4-10 April 2026, and includes updates on avian influenza, dengue, and an overview of respiratory virus epidemiology in the EU/EEA.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 28 March-3 April 2026 and includes updates on SARS-CoV-2 variant classification, Middle East respiratory syndrome coronavirus (MERS-CoV), cholera, HIV, and avian influenza.

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).

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 21–27 March 2026 and includes updates on respiratory virus epidemiology in the EU/EEA, chikungunya, dengue, avian influenza, invasive meningococcal disease, aedes aegypti detection in Luxembourg, and measles.

A human case of avian influenza A(H9N2) infection in a returning traveller from a non-European country where the virus has previously been identified in birds, has been reported in the Lombardy region of Italy. This is the first human case of avian influenza A(H9N2) reported in the EU/EEA.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 14 -20 March 2026 and includes updates on respiratory virus epidemiology in the EU/EEA, mass gathering monitoring, avian influenza, dengue, serious adverse events to IXCHIQ chikungunya virus disease vaccine, and invasive meningococcal disease.

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 United Kingdom (UK), and the United States (US), with new cases still being reported.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 7-13 March 2026 and includes updates on respiratory virus epidemiology in the EU/EEA, measles, chikungunya, mass gathering monitoring, and mpox.

Between 29 November 2025 and 27 February 2026, 2514 highly pathogenic avian influenza (HPAI) A(H5) virus detections were reported in domestic (406) and wild (2108) birds in 32 countries in Europe.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 7 - 13 February 2026 and includes updates on respiratory virus epidemiology in the EU/EEA, mass gathering monitoring, avian influenza, and mpox.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 31 January - 6 February 2026 and includes updates on respiratory virus epidemiology in the EU/EEA, SARS-CoV-2 variant classification, Bacillus cereus toxin in infant formula, mass gathering monitoring, mpox, nipah virus, and Middle East respiratory virus syndrome.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 10-16 January 2026 and includes updates on respiratory virus epidemiology in the EU/EEA, measles, mpox, and Marburg virus disease.

The ECDC updates are based on available data reported through the European Surveillance System (TESSy) by the national public health authorities of EU/EEA countries.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 13-19 December 2025 and includes updates on respiratory virus epidemiology, SARS-CoV-2 variants, mpox, leprosy, Marburg virus disease, dengue, and chikungunya.

The 2025/26 influenza season has begun earlier than the previous two seasons, driven by the recently-emerged influenza virus A(H3N2) subclade K.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 6-12 December 2025 and includes updates on respiratory virus epidemiology in the EU/EEA, measles, Middle East respiratory syndrome (MERS-CoV), West Nile virus, and Marburg virus disease (MVD).

Monthly updates with the latest reports on West Nile virus cases in Europe.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 29 November - 5 December 2025 and includes updates on respiratory virus epidemiology in the EU/EEA, chikungunya, West Nile virus, Marburg virus disease, Influenza A(H5N2), HIV/AIDS surveillance, Ebola, Middle East Respiratory virus (MERS), shigellosis Cabo Verde.

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.

Weekly updates with the latest reports on West Nile virus cases in Europe updated every Friday, during the transmission season.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 22 - 28 November 2025 and includes updates on respiratory virus epidemiology in the EU/EEA, chikungunya, West Nile virus, Marburg virus disease, influenza A, cholera, swine influenza, hepatitis A, and Ebola.

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 .

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 15 - 21 November 2025 and includes updates on respiratory virus epidemiology in the EU/EEA, chikungunya, West Nile virus, dengue, Ebola, hepatitis A, Rift Valley Fever, Marburg virus disease (MVD), influenza A(H5N5), infant botulism, influenza A(H5N1), and mass gathering monitoring for the Jubilee of 2025 in Italy.

This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 8-14 November 2025 and includes updates on measles, dengue, mpox, respiratory viruses, West Nile virus, dengue, chikungunya, Ebola and poliovirus detection in wastewater.

Ongoing outbreak in the DRC elombatd@who.int Mon, 15/09/2025 - 06:01 Read more about Ongoing outbreak in the DRC The Democratic Republic of the Congo is responding to an outbreak of Ebola disease caused by Bundibugyo virus in the north-eastern Ituri Province. It is the country’s 17th outbreak since the virus was first identified in 1976. The outbreak is unfolding against a complex epidemiological, humanitarian and security backdrop characterized insecurity, highly mobile populations, including cross-border and trade such as mining, as well as the presence of large refugee communities.  

Weekly bulletin elombatd@who.int Fri, 10/05/2024 - 19:18 Read more about Weekly bulletin The Weekly Bulletin focuses on public health emergencies occurring in the WHO African Region. Each week, a brief description, followed by public health measures implemented and an interpretation of the situation is provided for a few selected events. A table is provided at the end of the bulletin with information on all new and ongoing public health events currently being monitored in the region, as well as recent events that have largely been controlled and thus closed.