Outbreak reports on dengue fever

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Communicable disease threats report, 22-28 August, week 34

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Communicable disease threats report, 1-7 August, week 31

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Communicable disease threats report, 25-31 July 2021, week 30

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Communicable disease threats report, 4-10 July 2021, week 27

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Communicable disease threats report, 27 June-3 July 2021, week 26

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Health risks during the Carnival season in Brazil

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Epidemiological update - dengue in Réunion

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Epidemiological update: autochthonous cases of chikungunya fever in the Caribbean region, 4 January 2014

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Epidemiological update: Outbreak of dengue in Madeira, Portugal, 13 February 2013

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Epidemiological update: Outbreak of dengue in Madeira, Portugal, 13 December 2012Archived

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Threat Assessment Brief: Dengue epidemic in Réunion, 2021

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Rapid risk assessment - Sexual transmission of dengue in Spain

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Rapid risk assessment: Autochthonous cases of dengue in Spain and France

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Rapid risk assessment: Dengue outbreak in Réunion, France, and associated risk of autochthonous outbreak in the EU/EEA

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Rapid risk assessment: Local transmission of dengue fever in France and Spain

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Dengue outbreak in Madeira (2012-13)

From 26 September 2012 to 3 March 2013, the autonomous province of Madeira, Portugal, reported its first dengue outbreak (Dengue-1 virus). It was the first sustained transmission of dengue in the European Union since the 1920s. 

From 26 September 2012 to 3 March 2013, the autonomous province of Madeira, Portugal, reported its first dengue outbreak (Dengue-1 virus). Of the 2168 probable cases, 1080 were confirmed. No severe clinical forms were reported, and there were no fatalities.

As of 3 February 2013, 78 patients have been diagnosed in other European countries with dengue infection after returning from Madeira (continental Portugal 11, United Kingdom 23, Germany 19, Finland 7, Sweden 5, France 3, Denmark 2, Austria 2, Norway 2, Croatia 1, Slovenia 1, Spain 1, and Switzerland 1). The latest case was reported on 1 February 2013 from Finland.

Between week 4 and 19 (2013), imported cases from Angola (2) and Brazil (1) were identified.

The outbreak was mainly located in Funchal and neighbouring areas, notably Câmara de Lobos, São Martinho, and Caniço. Few cases were reported in other municipalities; these cases were most likely acquired in foci of active transmission.

Phylogenetic studies showed that the virus was most likely introduced from South America (Venezuela, Colombia, or northern Brazil).

The presence of Aedes (Ae.) aegypti mosquito, the main dengue vector, was detected for the first time in Funchal in 2005 and its presence was then recorded along the southern coast of the island, at low altitudes and in urban settings that provided an ecological niche for the establishment of the mosquito in Madeira.

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Epidemiological update: Outbreak of dengue in Madeira, Portugal, 13 February 2013

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Epidemiological update: Outbreak of dengue in Madeira, Portugal, 13 December 2012Archived

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Risk assessment: Update on autochthonous dengue cases in Madeira, Portugal

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Missions to Madeira

ECDC conducted a first mission in October 2012 to set up a specific epidemiological surveillance system based on information from the public healthcare system, the Madeira Dengue Surveillance System. Using this tool, the local authorities were able to follow the spatio-temporal evolution of the outbreak. Results were published in an epidemiological bulletin for the main stakeholders.

In March 2013, ECDC conducted a second mission to Madeira to retrospectively assess outbreak epidemiology as well as the public health measures and activities implemented between September 2012 and February 2013 and to
discuss with the local health authorities response and preparedness planning with regard to future scenarios. Upon request from the Portuguese Directorate-General of Health, the team conducted a SWOT analysis (strengths,
weaknesses, opportunities, and threats) of main activities related to dengue prevention and control in Madeira. The main outcomes of this analysis are presented in this report.

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Dengue outbreak in Madeira, Portugal, March 2013

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Dengue outbreak in Madeira, Portugal, October – November 2012

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