News
'Getting to grips with dengue and dengue vaccines' webinar- registration is now closed
Registration for our fifth webinar on 4 December 2024 is now closed
Dengue 'green book' chapter published
A new dengue chapter in the 'green book' (Immunisation against infectious disease) has been published
Global dengue risk reminder
Dengue is a virus spread by mosquitoes found in tropical and sub-tropical regions worldwide, including parts of Europe
Qdenga® dengue vaccine guidance
Joint Committee on Vaccination and Immunisation (JCVI) deliberations on Qdenga® vaccine now available
Dengue: the Caribbean region
An increase in cases of dengue have been reported in the Caribbean region
Zoonoses (diseases from animals) in travellers
A zoonotic disease is one that spreads between animals and humans and has the potential to be an increasing problem for travellers
Factsheets
Dengue
Dengue is an infection caused by the dengue virus of which there are four different subtypes. The disease is transmitted by mosquitoes
Diseases spread by insects and ticks in the American continent (the Americas)
Depending on the destination, travellers may be at risk of a number of different diseases
Diseases spread by insects and ticks in Europe
Depending on destination, travellers may be at risk of a number of different diseases spread by insects or ticks in Europe
Topics
Dengue
Dengue is an infection caused by the dengue virus of which there are four different types (serogroups) and transmitted through the bite of an infected mosquito
Outbreaks
Dengue in USA
On 25 November 2024, the first locally acquired case of dengue in Texas for 2024 was reported. As of 25 November 2024, 106 travel associated cases and one death were reported in Texas. This is the highest annual case count in Texas since 2002. Please see our Topics in Brief article for further details on dengue.
Dengue in Guadeloupe
As of 14 November 2024, the French department of Guadeloupe health authorities declared a dengue epidemic on the island. As of 27 October 2024, the Pan American Health Organization (PAHO) reported 7,265 cases during 2024 with DENV-2 and DENV-3 circulating. Please see our Topics in Brief article for further details on dengue.
Dengue in Burkina Faso
As of 15 November 2024, a total of 89,728 dengue cases (91 deaths) have been reported in all 13 regions during 2024. The Center region has reported 51% of cases. DENV-1 and DENV-3 viruses have been identified. Please see our Topics in Brief article for further details on dengue.
Dengue in Cape Verde
As of 15 November 2024, a total of 35,230 dengue cases (5 deaths) have been reported since the start of 2024. DENV-1 and DENV-3 viruses have been detected. Cases have been from all islands but Santiago Island has been most severely affected with 82% of recorded cases. Please see our Topics in Brief article for further details on dengue.
Dengue in Afghanistan
Since the beginning of 2024, a total of 2,749 suspected cases of dengue and one associated death have been reported.
Dengue in Nepal
As of 15 October 2024, a total of 19,599 dengue cases, with nine verified deaths, have been reported in Nepal since the start of 2024. Across the country 76 districts are reporting cases; Kathmandu is the most affected district, with 3,103 dengue cases.
Dengue in Costa Rica
As of 7 October 2024, a total of 22,575 dengue cases have been reported in 2024. This is an increase of 141% compared to the same period in 2023.
Dengue in French Guiana
As of 7 October 2024, a total of 16,141 suspected dengue cases have been reported, with eight deaths, since the start of 2024. This is an increase of 720% compared to the same period in 2023.
Dengue in Guyana
As of 7 October 2024, a total of 31,238 suspected dengue cases (including 900 severe dengue cases) with five deaths, have been reported in 2024. This is an increase of 90% compared to the same period in 2023.
Dengue in Panama
As of 7 October 2024, a total of 25,092 dengue cases (including 149 severe dengue cases) and 39 deaths have been reported in 2024. This is an increase of 177% compared to the same period in 2023.
Dengue in Spain
On 9 September 2024, the Catalonian Public Health Agency reported the detection of five non-travel-associated dengue cases in Tarragona province. These are the first autochthonous dengue cases detected in Spain in 2024.
Lombardy
Dengue in Italy
As of 13 September 2024, two locally acquired cases of dengue have been reported in 2024 from Emilia-Romagna and Lombardy regions.
Kerala
Dengue in India
As of 1 September 2024, a total of 23,733 dengue cases have been reported in Karnataka, with a total of 15,056 dengue cases reported in Kerala, since the beginning of 2024.
Dengue in Guatemala
As of 15 August 2024, a total of 80,234 dengue cases, with 100 deaths have now been reported for 2024. The predominant dengue serotype is DEN-3, accounting for 83% of positive cases. However, the circulation of all four serotypes have been identified.
Dengue in Colombia
As of 10 August 2024, a total of 243,146 cases of dengue have been reported since the beginning of the year. This represents a significant increase in the reporting of dengue cases compared to the last few years. All four dengue serogroups (DENV1-4) are in circulation.
Nuku Hiva
Dengue in French Polynesia
Between 27 November 2023 and 9 August 2024, a total of 110 cases (including 10 probable cases) have been reported. Both DENV-1 and DENV-2 have been circulating. Of those serotypes sampled, 70 percent were identified as DENV-2.
Dengue in Honduras
As of 26 July 2024, a total of 58,270 dengue cases, and 26 deaths, have been reported since the beginning of 2024. DENV-1, DENV-2 and DENV-3 viruses have been identified in the country.
Dengue in Thailand
As of 4 July, a total of 36,246 dengue fever cases, including 37 deaths, have been reported in 2024.
Dengue in Mali
As of 12 July 2024, 5,142 cases (631 confirmed; 4,51 suspected) and six deaths of dengue fever have been reported from ten of the eleven regions in Mali. Two serotypes (DENV-1 and DENV-3) were detected among confirmed cases.
Dengue in Togo
As of 28 June 2024, Togo has recorded 197 dengue fever cases since May 7, 2024. The cases were mainly reported in the Lomé health district. This is the first reported dengue fever outbreak in Togo.
Dengue in UAE
During 2023, locally acquired cases of dengue were confirmed within the United Arab Emirates.
Dengue in Dominican Republic
As of 16 June 2024, 8,790 dengue cases (no deaths) have been reported in 2024, an increase of 442% compared to the same period in 2023.
Dengue in Mexico
As of 16 June 2024, 83,997 dengue cases and 26 deaths have been reported in 2024, an increase of 241% compared to the same period in 2023. The majority of cases have been reported from Guerrero, Tabasco, and Quintana Roo. DENV-1, DENV-2, DENV-3 and DENV-4 viruses have been identified in the country.
Dengue in Italy ex Egypt
As of 10 June 2024, a total of three imported dengue cases have been reported in Italy, with the serotype confirmed as DENV-2 in all three cases. The travellers visited the resort of Sharm El-Sheik for a short holiday in May 2024.
Warraber Island
Dengue in Australia
On 11 June 2024, the Queensland Health Department reported at least 39 suspected dengue cases (8 confirmed) in the Torres and Cape region. The serotype is reported to be DENV-3 in at least five of the confirmed cases.
Dengue in Mauritius
As of 28 April 2024, a total of 7,177 dengue cases and 15 deaths have been reported since the initial outbreak started in December 2023. Currently only DENV-2 serotype has been identified.
Dengue in Samoa
As of 20 May 2024, the Samoan authorities have reported a total of 388 laboratory confirmed dengue cases since November 2023.
Dengue in Ecuador
Ecuador reported 23,234 cases of dengue between 1 January 2024 and 26 April 2024, representing an increase of 371% compared to the same period in 2023. The cumulative incidence rate as of 26 April 2024 is 130 cases per 100,000 population.
Dengue in Paraguay
Paraguay reported 246,509 cases of dengue between 1 January 2024 and 26 April 2024, representing an increase of more than 1,800% compared to the same period in 2023. The cumulative incidence rate as of 26 April 2024 is 3,263 cases per 100,000 population.
Dengue in Argentina
Between 1 January and 25 March 2024, a total of 163,419 confirmed cases of dengue have been reported from Argentina. This reflects a six times greater number of cases compared to the previous season.
Dengue in Brazil
As of 19 February 2024, a total of 653,656 probable dengue cases, with 113 deaths (and 438 deaths under investigation) have been reported in 2024. Minas Gerais state has reported the highest number with 218,066 cases and the Federal District has reported the highest incidence rate.
Dengue in USA
As of 20 December 2023, a total of 154 locally acquired dengue cases have been reported for 2023 in Miami-Dade County, Florida.
Dengue in USA
As of 1 November 2023 a case of locally acquired dengue has been reported in Long Beach. This is the second case reported in California, the first was identified in October 2023 in Pasadena. The Health Department is taking steps to prevent further spread of the virus that causes dengue.
Dengue in France
On 2 October 2023, two cases of locally acquired dengue were reported in Bourg-lès-Valence in Drôme. These are the first locally acquired cases of dengue identified to date in 2023 in Auvergne-Rhône-Alpes.
Dengue in Peru
As of 26 June 2023, a total of 172,533 dengue cases, with 228 deaths, have now been reported for 2023. A further 74 deaths are under investigation.
