Ebola disease
The outbreak remains a public health emergency of international concern
Children
Careful pre-trip preparation can reduce the travel-associated health risks to children and infants
IXCHIQ chikungunya vaccine marketing authorisation revoked by MHRA
Based on a further benefit-risk assessment for travellers, the UK marketing authorisation has been revoked by MHRA
Natural hazards and health risks
Advice for travellers visiting areas affected by natural hazards
Updated dengue 'green book' chapter published
The dengue chapter of the 'green book' (Immunisation against infectious disease) has been updated
Polio: Public Health Emergency of International Concern
An update on the polio Public Health Emergency of International Concern (PHEIC)
Mefloquine shortage
Shortage of 250mg mefloquine (Lariam) antimalarial tablets in the United Kingdom (UK) continues
Telephone advice line for health professionals: change to opening hours
The advice line opening hours will change from 7 September 2026
Cyclospora and summer travel
A reminder about Cyclospora infection and how to reduce your risk
Changes to NaTHNaC telephone contact numbers
Our Advice Line and General Enquiries telephone number change has been deferred to Autumn 2026
Dengue in Bangladesh
As of 19 October 2026, a total of 114,251 dengue cases and 352 deaths have been reported in Bangladesh in 2026. Please see our Topics in Brief article for further details on dengue.
As of 8 October 2026, a total of 94,151 dengue cases, with 294 deaths, have now been reported in Bangladesh during 2026. Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 6 August 2026, a total of 17,880 dengue cases (59 deaths) have been reported in Bangladesh during 2026. Dhaka division has reported the highest number of cases, followed by Barishal, Chattogram and Khulna divisions. Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 30 November 2025, a total of 95,081 dengue cases and 380 deaths have been reported in Bangladesh during 2025. Please see our Topics in Brief article for further details on dengue.
Source: WHOAs of 10 November 2025, a total of 79,722 dengue cases and 315 deaths have been reported in Bangladesh in 2025. Most cases have been reported in Barishal (18,627 cases) followed by Dhaka (13,455 cases). Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 2 November 2025, a total of 71,675 dengue cases and 283 deaths, have been reported in Bangladesh for 2025. Currently, the highest number of cases and deaths were reported in October 2025, with 22,520 cases and 80 deaths. Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 26 October 2025, a total of 66,423 cases (including 269 deaths) of dengue have been reported in Bangladesh during 2025. Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 19 October 2025, a total of 59,849 cases (including 245 deaths) of dengue have been reported in Bangladesh during 2025. Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 22 September 2025, a total of 42,509 cases of dengue have been reported in Bangladesh. Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 2 September 2025, a total of 32,501 dengue cases, and 125 deaths have been reported in Bangladesh since 1 January 2025. Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 3 August 2025, a total of 21,670 dengue cases and 84 deaths have been reported in Bangladesh since 1 January 2025. Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 13 July 2025, a total of 15,569 dengue cases with 59 dengue-related deaths have been reported during 2025. This represents a large increase compared to the corresponding period in 2024. Please see our Topics in Brief article for further details on dengue.
Source: WHOOn 11 June 2025, 5,303 dengue cases and 23 deaths have been reported from 1 January to 11 June 2025. Please see our Topics in Brief article for further details on dengue.
Source: StateNorth Kivu
South Kivu
Bas-Uele
Tshopo
Haut-Uele
Sud-Ubangi
Nord-Ubangi
Ebola disease in DRC
As of 16 October 2026, a total of 9,415 confirmed Ebola disease (Bundibugyo virus) cases and 4,536 deaths have been reported in Democratic Republic of Congo in eight provinces: Ituri, North Kivu, South Kivu, Tshopo, Haut-Uele, Bas-Uele, South Ubangi and North Ubangi. Please see our Topics in Brief article for further details on Ebola disease.
As of 10 October 2026, a total of 8,978 confirmed Ebola disease (Bundibugyo virus) cases and 4,336 deaths have been reported in the Democratic Republic of the Congo, in seven provinces: Ituri, North Kivu, South Kivu, Tshopo, Haut-Uele, Bas-Uele and South Ubangi. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 4 October 2026, 8,603 confirmed Ebola disease (Bundibugyo virus) cases and 4,148 deaths have been reported in the Democratic Republic of the Congo, in seven provinces: Ituri, North Kivu, South Kivu, Tshopo, Haut-Uele, Bas-Uele and South Ubangi. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 21 September 2026, 7,773 confirmed Ebola disease (Bundibugyo virus) cases and 3,759 deaths have been reported in seven provinces: Ituri, North Kivu, South Kivu, Tshopo, Haut-Uele, Bas-Uele and South Ubangi. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 6 September 2026, a total of 7,200 confirmed Ebola disease (Bundibugyo virus) cases and 3,475 confirmed deaths have now been reported across seven provinces in the Democratic Republic of the Congo: Ituri, North Kivu, South Kivu, Tshopo, Haut-Uele, Bas-Uele and South Ubangi. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 6 September 2026, a total of 6,686 confirmed Ebola disease (Bundibugyo virus) cases and 3,226 confirmed deaths have now been reported across six provinces in the Democratic Republic of the Congo: Ituri, North Kivu, South Kivu, Tshopo, Haut-Uele and Bas-Uele. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 30 August 2026, a total of 6,100 confirmed cases and 2,950 deatha of Ebola disease (Bundibugyo virus) have been reported in six provinces in Democratic Republic of the Congo; Ituri, North Kivu, South Kivu, Tshopo, Haut-Uele and Bas-Uele. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 22 August 2026, a total of 5,514 confirmed cases and 2,642 deatha of Ebola disease (Bundibugyo virus) have been reported in six provinces in Democratic Republic of the Congo; Ituri, North Kivu, South Kivu, Tshopo, Haut-Uele and Bas-Uele. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 19 August 2026, a total of 5,290 confirmed Ebola disease (Bundibugyo virus) cases, and 2,516 deaths, have now been reported across six provinces: Ituri, North Kivu, South Kivu, Tshopo, Haut-Uele and Bas-Uele. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 14 August 2026, a total of 4,665 confirmed Ebola disease (Bundibugyo virus) cases, and 2,184 deaths, have now been reported across six provinces: Ituri, North Kivu, South Kivu, Tshopo, Haut-Uele and Bas-Uele. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 8 August 2026, a total of 4,294 confirmed Ebola disease (Bundibugyo virus) cases, and 1,960 deaths, have now been reported across five provinces: Ituri, North Kivu, South Kivu, Tshopo and Haut-Uele. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 2 August 2026, a total of 3,802 confirmed Ebola disease (Bundibugyo virus) cases, and 1,707 confirmed deaths, have now been reported across five provinces: Ituri, North Kivu, South Kivu, Tshopo and Haut-Uele. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 28 July 2026, 3,442 confirmed Ebola cases and 1,521 deaths have been reported in five provinces: Ituri, North Kivu, South Kivu, Tshopo and Haut-Uele. Please see our Topics in Brief article on Ebola for further details.
Source: StateAs of 26 July 2026, a total of 3,262 confirmed Ebola cases and 1,437 deaths have been reported in five provinces: Ituri, North Kivu, South Kivu, Tshopo and Haut-Uele. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 21 July 2026, a total of 2536 confirmed Ebola disease (Bundibugyo virus) cases, and 1033 confirmed deaths, have now been reported in five provinces: Ituri, North Kivu, South Kivu, Tshopo and Haut-Uele. Please see our Topics in Brief article for further details on Ebola disease.
Source: Democratic Republic of the Congo Ministry of HealthAs of 19 July 2026, a total of 2,423 confirmed Ebola disease (Bundibugyo virus) cases and 967 confirmed deaths, have now been reported in five provinces: Ituri, North Kivu, South Kivu, Tshopo and Haut-Uele. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 14 July 2026, a total of 2,073 confirmed Ebola disease (Bundibugyo virus) cases and 796 confirmed deaths, have now been reported in five provinces: Ituri, North Kivu, South Kivu, Tshopo and Haut-Uele. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 12 July 2026, a total of 1,963 confirmed Ebola disease (Bundibugyo virus) cases and 719 confirmed deaths, have now been reported in five provinces: Ituri, North Kivu, South Kivu, Tshopo and Haut-Uele. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 7 July 2026, the Democratic Republic of the Congo's Ministry of Health (MoH) reported 1,759 confirmed Ebola disease cases (600 deaths) caused by Bundibugyo virus, in the ongoing outbreak. Ituri, North-Kivu and South-Kivu provinces have been affected. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 4 July 2026, the Democratic Republic of the Congo's Ministry of Health (MoH) reported 1,561 confirmed Ebola disease cases (506 deaths) caused by Bundibugyo virus, in the ongoing outbreak. Ituri, North-Kivu and South-Kivu provinces have been affected. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 1 July 2026, 1,460 confirmed cases of Ebola disease with 447 deaths have been reported in the Democratic Republic of the Congo. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 29 June 2026, 1,333 confirmed cases and 399 deaths caused by Bundibugyo virus have been reported in Democratic Republic of the Congo. Confirmed cases have been reported in the provinces of Ituri, North Kivu and South Kivu. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 27 June 2026, the Democratic Republic of the Congo's Ministry of Health (MoH) reports 1,274 confirmed cases (360 deaths) caused by Bundibugyo virus, in the ongoing Ebola disease outbreak. Ituri, North-Kivu and South-Kivu provinces have been affected. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 24 June 2026, 1,155 confirmed cases and 304 deaths have been reported from the Democratic Republic of the Congo. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 22 June 2026, the Democratic Republic of the Congo's Ministry of Health (MoH) reports 1,094 confirmed cases (277 deaths) caused by Bundibugyo virus, in the ongoing Ebola disease outbreak. Ituri, North-Kivu and South-Kivu provinces have been affected. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 20 June 2026, 1,003 confirned cases of Ebola disease with 254 deaths have been reported in the Democratic Republic of the Congo. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 17 June 2026, a total of 896 confirmed Ebola disease cases, with 232 confirmed deaths, have been reported in the Democratic Republic of the Congo for 2026. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 15 June 2026, 837 confirmed cases of Ebola disease, with 196 deaths have been reported in the Democratic Republic of the Congo. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 13 June 2026, a total of 782 confirmed Ebola disease cases, with 181 deaths, have been reported in the Democratic Republic of the Congo for 2026. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 10 June 2026, 676 confirmed cases of Ebola disease and 136 deaths have been reported in Democratic Republic of the Congo. Confirmed cases have been reported in Ituri (629 cases), North Kivu (44 cases), and South Kivu (three cases). Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 8 June 2026, 598 confirmed cases of Ebola disease and 115 deaths have been reported in Democratic Republic of the Congo. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 7 June 2026, 544 confirmed cases of Ebola disease and 88 confirmed deaths have been reported in the Democratic Republic of the Congo. The confirmed cases include 29 healthcare workers, five of whom died. Please see our Topics in Brief article for further details on Ebola disease.
Source: Africa CDCAs of 3 June 2026, 381 confirmed cases of Ebola disease and 64 deaths have been reported from the Democratic Republic of the Congo. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 1 June 2026, the Democratic Republic of the Congo's Ministry of Health (MoH) reports 344 confirmed Bundibugyo virus cases, with 60 confirmed deaths, and 116 suspected cases, as part of the ongoing Ebola outbreak. The number of suspected cases has been revised following the removal of confirmed and negative cases. According to the MoH, 23 new confirmed cases were reported on 1 June 2026. The provinces of Ituri, North-Kivu and South-Kivu have been affected. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 1 June 2026, the Democratic Republic of the Congo's Ministry of Health reported a total of 321 confirmed Ebola disease cases and 48 confirmed deaths, with 220 suspected cases, as part of the ongoing Ebola outbreak. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 27 May 2026, 125 confirmed and 906 suspected cases of Ebola disease, with 17 confirmed and 223 suspected deaths have been reported from the Democratic Republic of the Congo. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateAs of 24 May 2026, a total of 101 confirmed and over 900 suspected Ebola disease cases, with ten confirmed and 220 suspected deaths, have now been reported from the Democratic Republic of the Congo. Please see our Topics in Brief article for further details on Ebola disease.
Source: WHOAs of 22 May 2026, a total of 82 confirmed and 750 suspected Ebola disease cases, with seven confirmed and 177 suspected deaths, have now been reported in the Democratic Republic of the Congo. Please see our Topics in Brief article for further details on Ebola disease.
Source: WHOOn 20 May 2026, the World Health Organization reported 51 confirmed cases, 600 suspected (139 suspected deaths) of Ebola disease caused by the Bundibugyo virus. Deaths have been reported in healthcare workers, indicating healthcare associated transmission. Please see our Topics in Brief article for further details on Ebola disease.
Source: WHOAs of 19 May 2026, there are now 30 confirmed cases, more than 500 suspected cases, and 130 suspected deaths in the DRC, from the northeastern province of Ituri. An American national has also been confirmed positive and been transferred to Germany, as reported by the U.S. Please see our Topics in Brief article for further details on Ebola disease.
Source: WHOThe Director-General of the World Health Organization (WHO), has declared that the Ebola disease caused by Bundibugyo virus in the Democratic Republic of the Congo and Uganda constitutes a public health emergency of international concern (PHEIC). As of 16 May 2026, eight laboratory-confirmed cases, 246 suspected cases and 80 suspected deaths have been reported in Ituri Province of the Democratic Republic of the Congo across at least three health zones, including Bunia, Rwampara and Mongbwalu. Please see our Topics in Brief article for further details on Ebola disease.
Source: WHOAs of 15 May 2026, a total of 13 confirmed cases of Ebola disease and four deaths have been reported in DRC. Cases have primarily been reported in the Mongbwalu and Rwampara health zones, with additional suspected cases identified in Bunia. Please see our Topics in Brief article for further details on Ebola disease.
Source: Africa CDCDengue in USA
As of 10 October 2026, 368 cases of locally acquired dengue have been reported in Florida, USA. The outbreak has surpassed Florida's previous annual high of 200 cases, reported in 2023. DENV-2 and DENV-3 have been identified amongst cases in 2026. Please see our Topics in Brief article for further details on dengue.
As of 3 October 2026, 296 cases of locally acquired dengue have been reported in Florida, USA. The outbreak has surpassed Florida's previous annual high of 200 cases, reported in 2023. DENV-2 and DENV-3 have been identified amongst cases in 2026. Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 26 September 2026, 252 cases of locally acquired dengue were reported in Florida, USA. The outbreak has surpassed Florida's previous annual high of 200 cases, reported in 2023. Dengue serotypes 2 and 3 have been identified amongst cases in 2026. Please see our Topics in Brief article for further details on dengue.
Source: StateBetween 6 and 12 September 2026, 41 new cases of locally acquired dengue were reported in Florida, bringing the total for 2026 to 152. Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 29 August 2026, 73 cases of locally acquired dengue have been confirmed in Florida, USA. Please see our Topics in Brief article for more details on dengue.
Source: StateAs of 22 August 2026, a total of 41 locally acquired dengue cases have been reported in Florida in 2026. Serotypes DENV-2 and DENV-3 have been confirmed. Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 15 August 2026, a total of 23 locally acquired cases of dengue have been confirmed in Florida during 2026. Serotypes DENV-2 (20) and DENV-3 (2) have been confirmed. Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 3 August 2026, a locally acquired case of dengue has been confirmed in Florida, Miami-Dade County. Please see our Topics in Brief article for further details on dengue.
Source: StateAs of 28 July 2026, a locally acquired case of dengue has been confirmed in Hillsborough County, Florida. Please see our Topics in Brief article for further details on dengue.
Source: StateEbola disease in Kenya
As of 18 October 2026, eight cases of Ebola disease (Bundibugyo virus), including three cases in healthcare workers, have been confirmed in Kenya. Please see our Topics in Brief article for further details on Ebola disease.
As of 15 October 2026, a second Ebola disease (Bundibugyo virus) case has been confirmed in Kenya, in a contact of the first case imported from the Democratic Republic of Congo. This second case remains in quarantine and is receiving treatment. Please see our Topics in Brief article for further details on Ebola disease.
Source: United NationsOn 6 October 2026, the first confirmed case of Ebola disease (Bundibugyo virus) was reported in Kenya, imported from the Democratic Republic of the Congo. Contact tracing is in process. Please see our Topics in Brief article for further details on Ebola disease.
Source: StateHantavirus in Argentina
As of 3 October 2026, a total of 59 confirmed hantavirus cases have been reported in Argentina during 2026. Please see our Topics in Brief article for further details on hantavirus.
As of 25 April 2026, 101 confirmed cases of hantavirus infection and 32 deaths have been reported in Argentina during the 2025/2026 season. Cases have been reported in the following provinces: Buenos Aires, Salta, Santa Fe, Chubut, Río Negro, Entre Ríos and Jujuy. Please see UKHSA guidance for more details on hantavirus.
Source: StateBetween 1 January and 28 March 2026, 32 confirmed cases of hantavirus infection and eight deaths have been reported. Cases have been reported in the following provinces: Buenos Aires, Salta, Chubut, Río Negro, Entre Ríos and Jujuy. Please see UKHSA guidance for more details on hantavirus.
Source: StateAs of 8 February 2026, 19 cases of hantavirus have been reported in Argentina since the start of the year. This brings the total number of cases reported since July 2025 to 79. The Centro and South regions have been most severely affected. Please see UKHSA guidance for more details on hantavirus.
Source: StateAs of 20 November 2025, 66 cases of hantavirus pulmonary syndrome (including 21 deaths) have been reported in Argentina during 2025. The Central Region has reported 64% of cases. Please see UKHSA guidance for more details on hantavirus.
Source: PAHOWest Nile virus in Italy
As of 15 October 2026, a total of 748 locally acquired human West Nile virus cases have been reported in Italy during 2026. Please see our Topics in Brief article for further details on West Nile virus.
As of 10 September 2026, a total of 590 locally acquired human cases of West Nile virus have been reported in Italy during 2026. Please see our Topics in Brief article for further details on West Nile virus.
Source: ECDCAs of 12 August 2026, a total of 224 locally acquired cases of West Nile virus, with seven deaths (one in an imported case), have now been reported from 55 provinces in 16 regions of Italy during 2026. Please see our Topics in Brief article for further details on West Nile virus.
Source: StateAs of 5 August 2026, 139 locally acquired cases of West Nile virus have been reported in 50 provinces in Italy. Please see our Topics in Brief article for further details on West Nile virus.
Source: StateAs of 29 July 2026, 94 locally acquired cases of West Nile virus have been reported in 30 areas in Italy. Please see our Topics in Brief article for further details on West Nile virus.
Source: ECDCAs of 17 July 2026, a total of 21 cases of West Nile Virus have been reported in Italy. Please see our Topics in Brief article on West Nile virus.
Source: ECDCWest Nile virus in Greece
As of 15 October 2026, a total of 455 locally acquired human West Nile virus cases have been reported in Greece during 2026. This is the highest ever number of human cases reported in Greece. Please see our Topics in Brief article for further details on West Nile virus.
As of 10 September 2026, a total of 319 locally acquired human cases (of which nine had an unknown place of infection) of West Nile virus have been reported in Greece during 2026. Please see our Topics in Brief article for further details on West Nile virus.
Source: ECDCAs of 13 August 2026, 105 cases of locally acquired West Nile virus have been reported in Greece, in 13 areas. Please see our Topics in Brief article for further details on West Nile virus.
Source: ECDCAs of 29 July 2026, 42 locally acquired cases of West Nile virus have been reported in eight areas in Greece. Please see our Topics in Brief article for further details on West Nile virus.
Source: ECDCDiphtheria in Senegal
As of 5 October 2026, a total of 161 confirmed diphtheria cases and 11 deaths have now been reported in Senegal for 2026. Confirmed cases have been reported from 12 of the country's 14 medical regions. Please see our Topics in Brief article for further details on diphtheria.
As of 13 August 2026, a total of 13 cases of diphtheria and two deaths have been reported. Please see our Topics in Brief article for further details on diphtheria.
Source: WHOCorsica
Occitanie
Auvergne-Rhône Alpes
Provence Alpes-Côte d’Azur
Pays de la Loire
Centre-Val de Loire
West Nile virus in France
As of 12 October 2026, 178 locally-acquired cases of West Nile virus have been recorded during 2026 in Provence-Alpes-Côte d'Azur, Occitanie, Île-de-France, Auvergne-Rhône-Alpes, Nouvelle-Aquitaine, Pays de la Loire, Centre-Val de Loire and Corsica. Please see our Topics in Brief article for further details on West Nile virus.
As of 21 September 2026, 117 autochthonous cases of West Nile virus have been recorded in Provence-Alpes-Cote d'Azur, Occitanie, Ile-de-France, Auvergne-Rhone-Alpes, Nouvelle-Aquitaine, Pays de la Loire and Centre-Val de Loire. Please see our Topics in Brief article for further details on West Nile virus.
Source: StateAs of 16 September 2026, a total of 92 locally acquired West Nile virus cases have been reported during 2026. For the first time human West Nile virus cases have been detected in the departments of Aude (Occitanie), Seine-et-Marne (Île-de-France), Drôme (Auvergne-Rhône-Alpes), Loire-Atlantique, Maine-et-Loire (Pays de la Loire), and Loiret (Centre-Val de Loire). Please see our Topics in Brief article for further details on West Nile virus.
Source: StateAs of 6 September 2026, a total of 56 locally acquired West Nile virus cases have now been reported during 2026 in the regions of Auvergne-Rhône-Alpes, Île-de-France, Nouvelle-Aquitaine, Occitanie and Provence-Alpes-Côte d'Azur of mainland France. This is the first time human West Nile virus cases have been detected in the departments of Aude (Occitanie), Seine-et-Marne (Île-de-France) and Drôme (Auvergne-Rhône-Alpes). For six cases, no specific place of infection could be identified. Please see our Topics in Brief article for further details on West Nile virus.
Source: StateAs of 17 August 2026, 18 autochthonous cases of West Nile virus have been recorded across France in the Provence-Alpes-Côte d'Azur region (Bouches-du-Rhône and Vaucluse departments), Occitanie (the departments of Pyrénées-Orientales, Aude, Haute-Garonne, and Gard), and Île-de-France (the departments of Essonne and Seine-St-Denis).
Source: StateAs of 10 August 2026, a total of six locally acquired West Nile virus cases have now been reported during 2026 in the Occitanie (Aude and Pyrénées-Orientales) and Provence-Alpes-Côte d'Azur (Bouches-du-Rhône and Vaucluse) regions of France. Please see our Topics in Brief article for further details on West Nile virus.
Source: StateAs of 27 July 2026, two locally acquired cases of West Nile virus were recorded in Pyrénées-Orientales (Occitanie) and Bouches-du-Rhône (Provence-Alpes-Côte d'Azur). Please see our Topics in Brief article for further details on West Nile virus.
Source: StateAs of October 20 2025, 57 human cases of vector-acquired West Nile virus infection have been identified in 17 departments of mainland France. Cases have been recorded in the Provence-Alpes-Côte d'Azur, Nouvelle-Aquitaine and Occitanie regions, historically affected by the West Nile virus, and in Île-de-France, Auvergne-Rhône-Alpes and Normandy, affected for the first time in 2025. Please see our Topics in Brief article for further details on West Nile virus.
Source: StateAs of 13 October 2025, 48 locally acquired cases of West Nile virus were reported in France during 2025. Cases have been identified from 15 departments in the following regions: Provence Alpes-Côte d'Azur, Occitanie, Nouvelle-Aquitane and for the first time Île-de-France and Auvergne-Rhône-Alpes. Please see our Topics in Brief article for further details on West Nile virus.
Source: StateAs of 15 September 2025, 32 locally acquired cases of West Nile virus were reported in France. Cases have been identified from 10 departments in the following regions: Provence Alpes-Côte d'Azur, Occitanie, and for the first time Île-de-France and Auvergne-Rhône-Alpes. Please see our Topics in Brief article for further details on West Nile virus.
Source: StateAs of 3 September 2025, 20 locally acquired cases of West Nile virus were reported from France. Cases have been reported from Provence Alpes-Côte d'Azur, Occitanie, and for the first time Île-de-France and Auvergne-Rhône-Alpes. Please see our Topics in Brief article for further details on West Nile virus.
Source: StateAs of 19 August 2025, 13 locally acquired cases of West Nile virus were reported from France. Cases have been reported from Provence Alpes-Côte d'Azur, Occitanie, Corsica and for the first time Île-de-France. Please see our Topics in Brief article for further details on West Nile virus.
Source: StateOccitanie
Île-de-France
Provence Alpes-Côte d’Azur
Chikungunya in France
As of 12 October 2026, a total of 162 locally acquired chikungunya cases have been reported during 2026 in Tarn, Lot, Gard (Occitanie), Gironde, Landes, Pyrenees-Atlantiques (Nouvelle-Aquitaine), Val-de-Marne (Île-de-France) and Var (Provence-Alpes-Cote d'Azur) in France. Please see our Topics in Brief article for further details on chikungunya.
As of 5 October 2026, a total of 146 locally acquired chikungunya cases have been reported during 2026 in Tarn, Lot (Occitanie), Gironde (Nouvelle-Aquitaine), Val-de-Marne (Île-de-France) and Var (Provence-Alpes-Cote d'Azur) in France. Please see our Topics in Brief article for further details on chikungunya.
Source: StateAs of 28 September 2026, 125 locally acquired cases of chikungunya have been identified in France, in Tarn, Lot, Gard (Occitanie), Gironde, Landes (Nouvelle-Aquitaine), Val-de-Marne (Ile-de-France) and Var (Provence-Alpes-Cote d'Azur). Please see our Topics in Brief article for further details on chikungunya.
Source: StateAs of 23 September 2026, 90 autochthonous cases of chikungunya have been identified in France, in Tarn, Lot (Occitanie), Gironde, Landes (Nouvelle-Aquitaine) and Val-de-Marne (Ile-de-France). Please see our Topics in Brief article for further details on chikungunya.
Source: StateAs of 9 September 2026, a total of 57 locally acquired chikungunya cases have been reported during 2026 in Tarn, Lot (Occitanie), Gironde (Nouvelle-Aquitaine) and Val-de-Marne (Île-de-France) in France. Please see our Topics in Brief article for further details on chikungunya.
Source: ECDCAs of 30 August 2026, a total of 46 locally acquired chikungunya cases have been reported during 2026 in Tarn, Lot (Occitanie), Gironde (Nouvelle-Aquitaine) and Val-de-Marne (Île-de-France) in France. Please see our Topics in Brief article for further details on chikungunya.
Source: StateAs of 26 August 2026, a total of 33 locally acquired chikungunya cases have been reported during 2026 in the Nouvelle-Aquitaine (Gironde), Occitanie (Tarn, Lot) and Île-de-France (Val-de-Marne) regions of France. Please see our Topics in Brief article for further details on chikungunya.
Source: StateAs of 17 August 2026, a total of 25 locally acquired chikungunya cases have been reported during 2026 in the Nouvelle-Aquitaine (Gironde) and Occitanie (Tarn) regions of France. Please see our Topics in Brief article for further details on chikungunya.
Source: StateAs of 10 August 2026, a total of 15 locally acquired chikungunya cases have been reported during 2026 in the Nouvelle-Aquitaine (Gironde) and Occitanie (Tarn) regions of France. Please see our Topics in Brief article for further details on chikungunya.
Source: StateAs of 3 August 2026, seven locally acquired cases of chikungunya have been reported in Tam (Occitanie) and Gironde (Nouvelle-Aquitaine). Please see our Topics in Brief article for further details on chikungunya.
Source: StateAs of 27 July 2026, a locally acquired case of chikungunya has been reported in the Tam region, Occitanie. This is the first locally acquired chikungunya case in mainland France in 2026. Please see our Topics in Brief article for further details on chikungunya.
Source: State



