This page provides daily updates of information gathered through epidemic intelligence activities regarding communicable diseases of concern to the EU. It also provides updates on the global situation and changes in the epidemiology of communicable diseases with potential to affect Europe.
Outbreaks
Active
As of 19 October, the Democratic Republic of the Congo (DRC) has reported a total of 9 552 confirmed cases, including 4 602 related deaths (from data up until 18 October). Since the beginning of the outbreak, eight provinces have been affected: Ituri, Nord-Kivu, Sud-Kivu, Tshopo, Haut-Uélé, Bas-Uélé…
Periodic monitoring
Active
Since the previous update on 29 September 2026, and as of 19 October 2026, six new MERS cases have been reported in Saudi Arabia. In addition, further information has become available on the two cases previously reported in 2026. Since the beginning of 2026, and as of 19 October 2026, eight MERS…
Periodic monitoring
Active
Consultation rates for respiratory illness in both primary and secondary care remain at low or baseline levels in all reporting EU/EEA countries. However, rates are increasing in many countries, as expected at this time of year. Overall, SARS-CoV-2 and influenza contributed similarly to respiratory…
Outbreaks
Active
On 15 October 2026, a confirmed human case of avian influenza A(H5N1) was reported in a resident of Yakima County, Washington state, USA, following occupational exposure to infected dairy cattle at a local dairy farm. The case had mild symptoms and was not hospitalised. Since 1 April 2024, and as of…
Outbreaks
Active
As of 18 October, the Democratic Republic of the Congo (DRC) has reported a total of 9 455 confirmed cases, including 4 561 related deaths (from data up until 17 October). Since the beginning of the outbreak, eight provinces have been affected: Ituri, Nord-Kivu, Sud-Kivu, Tshopo, Haut-Uélé, Bas-Uélé…
Outbreaks
Active
As of 15 October, the Democratic Republic of the Congo (DRC) has reported a total of 9 277 confirmed cases, including 4 478 related deaths (from data up until 14 October). Since the beginning of the outbreak, seven provinces have been affected: Ituri, Nord-Kivu, Sud-Kivu, Tshopo, Haut-Uélé, Bas-Uélé…
Periodic monitoring
Active
Since the beginning of 2026, and as at 14 October 2026, two countries in Europe have reported locally acquired cases of chikungunya virus disease: France (163 cases) and Italy (1 case).
Periodic monitoring
Active
Since the beginning of 2026 and as at 14 October 2026, two countries in Europe have reported locally acquired cases of dengue: Italy (70 cases) and France (6 cases).
Periodic monitoring
Active
Since the beginning of 2026, and as at 14 October 2026, one country in Europe has reported locally acquired cases of Crimean-Congo haemorrhagic fever (CCHF): Spain (four cases). In the past week, no new cases have been reported to ECDC.
Periodic monitoring
Active
Since the beginning of the 2026 transmission season, and as at 14 October, 222 areas affected by West Nile virus (WNV) have been identified in 19 countries across Europe. These 19 countries have reported 1 926 locally acquired human cases of WNV infection. This week , 14 areas are reported as…
Outbreaks
Active
As of 14 October, the Democratic Republic of the Congo (DRC) has reported a total of 9 212 confirmed cases, including 4 441 related deaths (from data up until 13 October). Since the beginning of the outbreak, seven provinces have been affected: Ituri, North Kivu, South Kivu, Tshopo, Haut-Uélé, Bas…
Periodic monitoring
Active
The 2026 WNV season has affected a broader geographical area than any previous season, with numbers of human cases and animal outbreaks exceeding levels reported in previous years. Overall, there is no indication of increased disease severity in humans in Europe. Italy remains the most affected…
Periodic monitoring
Active
In September 2026, 342 mpox cases caused by monkeypox virus (MPXV) clade I were reported by 17 EU/EEA countries, continuing the increase observed over summer months. Three mpox cases caused by MPXV clade II were reported by three countries, continuing a decreasing trend. Transmission for both clades…
Outbreaks
Active
As of 13 October, the Democratic Republic of the Congo (DRC) has reported a total of 9 144 confirmed cases, including 4 410 related deaths (from data up until 12 October). Since the beginning of the outbreak, seven provinces have been affected: Ituri, North Kivu, South Kivu, Tshopo, Haut-Uélé, Bas…
Periodic monitoring
Active
The number of patients presenting to primary care with symptoms of respiratory illness, including acute respiratory infection, remains mostly at low or baseline levels in EU/EEA countries. However, the respiratory illness consultation rates are increasing in most countries. SARS-CoV-2 test…
Outbreaks
Active
As of 10 October, the Democratic Republic of the Congo (DRC) has reported a total of 8 978 confirmed cases, including 4 336 related deaths (from data up until 6 October). Since the beginning of the outbreak, seven provinces have been affected: Ituri, North Kivu, South Kivu, Tshopo, Haut-Uélé, Bas…
Outbreaks
Active
Russian health authorities have reported no recent plague case in Irkutsk Oblast and report a case of pneumonia of unknown aetiology in a laboratory employee. Russian health authorities reported that preventive measures, including epidemiological investigations, medical observation and testing of…
Outbreaks
Active
Since the beginning of 2026, and as of October 2026, diphtheria outbreaks have been reported in nine African countries, with considerable variation in reported case numbers, epidemiological trends and geographical distribution. In 2026, as of October 2026, Nigeria reported the highest number of…
Periodic monitoring
Active
In August 2026, 28 countries reported measles data. Ten countries reported a total of 143 cases and 18 countries reported zero cases. During the previous 12-month period, zero deaths attributable to measles were reported to ECDC. Overall, case numbers increased compared with the previous month…
Outbreaks
Active
The prolonged cross-border outbreak of Salmonella Strathcona ST2559 remains ongoing in the European Union/European Economic Area (EU/EEA), with more than 160 new cases being reported in 2026. Many cases have travelled to Italy prior to falling ill, but the outbreak is not confined to only Italy as…
Outbreaks
Active
Russian health authorities have reported no recent plague case in Irkutsk Oblast. They reported that preventive measures, including epidemiological investigations and medical observation and testing of contacts have been completed; and no high-threat pathogen was detected in any of the identified…
Periodic monitoring
Active
Since the beginning of 2026, and as at 7 October 2026, two countries in Europe have reported locally acquired cases of chikungunya virus disease: France (146 cases) and Italy (one case).
Periodic monitoring
Active
Since the beginning of 2026 and as at 7 October 2026, two countries in Europe have reported locally acquired cases of dengue: Italy (68 cases) and France (six cases).
Periodic monitoring
Active
Since the beginning of 2026, and as at 7 October 2026, one country in Europe has reported locally acquired cases of Crimean-Congo haemorrhagic fever (CCHF): Spain (four cases). In the past week, no new cases have been reported to ECDC.
Periodic monitoring
Active
Since the beginning of the 2026 transmission season, and as at 7 October, 208 areas affected by West Nile virus (WNV) have been identified in 18 countries across Europe. This week , six areas are reported as affected for the first time this season. These 18 countries have reported 1 855 locally…