Threats and outbreaks

West Nile fever seasonal surveillance

Weekly updated maps with the reported cases in Europe

Hepatitis A outbreaks among men who have sex with men

1 173 hepatitis A cases are reported since June 2016, by 15 EU countries. Most cases are among men who have sex with men.

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Yellow fever outbreak in Brazil

ECDC is monitoring the outbreak and regularly assessing the risk of importation and spread in Europe.

View outbreak updates and maps

Multi-country outbreak of new Salmonella enterica

An outbreak of a new Salmonella enterica affected 47 individuals in five EU countries between March 2016 and May 2017

Rapid Outbreak Assessment

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Weekly threat reports (CDTR)
Epidemiological updates
Risk assessments
Maps/Data
ECDC comments

Outbreak reports and data

Threats and outbreaks by disease and country

ECDC monitors current infectious disease outbreaks and assesses the risk to public health in Europe. ECDC experts provides technical support to the EU-level response to such threats.

Interim surveillance case definitions for reporting in EU

During outbreaks, ECDC issues draft interim case definitions for surveillance, to support classifying cases for epidemiological reporting in EU.

ECDC in the field

ECDC supports outbreak investigations through deploying ECDC missions, supporting the EU Med Corps and facilitating national experts participation in WHO and other missions.

Outbreak tools

ECDC has produced several tools to support and guide outbreak preparedness, investigation and response activities.

Epidemic intelligence

Epidemic intelligence can be described as the systematic collection and collation of information from a variety of sources. See a list of epidemiological sources and tools used by ECDC

Toolkit for investigation and response to food and waterborne disease outbreaks

Series of tools that can be useful during an investigation of a European outbreak.

View the toolkit

Epidemic intelligence and outbreak response

ECDC supports the response to infectious disease threats in the EU through rapid risk assessments and filed outbreak missions

Read about ECDC mandate

Follow @ECDC_Outbreaks

Follow the ECDC outbreak channel on Twitter for the latest epidemiological updates, data on outbreaks and risk assessments.

Follow @ECDC_Outbreaks

European Centre for Disease Prevention and Control

An agency of the European Union

Threats and outbreaks

West Nile fever seasonal surveillance

Hepatitis A outbreaks among men who have sex with men

Yellow fever outbreak in Brazil

Multi-country outbreak of new Salmonella enterica

West Nile fever in Europe in 2017 and previous transmission seasons

West Nile fever in Europe in 2017; updated 22 September

Rapid risk assessment: Increase of Legionnaires’ disease in EU travellers returning from Dubai since October 2016

Rapid risk assessment: Multiple reports of locally-acquired malaria infections in the EU

Epidemiological update: Measles - monitoring European outbreaks, 15 September 2017

Communicable disease threats report, 17-23 September 2017, week 38

Communicable Disease Threats Report, 10-16 September 2017, week 37

Communicable Disease Threat Report, 2 - 9 September 2017, week 36

Communicable disease threats report, 27 August - 2 September 2017, week 35

Communicable disease threats report, 20-26 August 2017, week 34

Epidemiological update: Monthly measles monitoring, August 2017

Epidemiological update: Measles - monitoring European outbreaks, 15 September 2017

Epidemiological update: Monthly rubella monitoring, August 2017

Epidemiological update: Measles - monitoring European outbreaks, 8 September 2017

Epidemiological update: Measles - monitoring European outbreaks, 1 September 2017

Rapid risk assessment: Increase of Legionnaires’ disease in EU travellers returning from Dubai since October 2016

Rapid risk assessment: Multiple reports of locally-acquired malaria infections in the EU

Rapid Risk Assessment: Clusters of autochthonous chikungunya cases in Italy

Rapid Risk Assessment: Hurricane Irma: risk of communicable diseases in the affected countries

Rapid Risk Assessment: Cluster of autochthonous chikungunya cases in France

West Nile fever in Europe in 2017 and previous transmission seasons

West Nile fever in Europe in 2017; updated 22 September

Current Zika transmission worldwide

Zika transmission in South East Asia

Zika transmission in the Caribbean

​WHO recommendations for influenza virus vaccine composition for the 2017-18 northern hemisphere season

Mutation of avian influenza A(H7N9): now highly pathogenic for poultry but risk of human-to-human transmission remains low

WHO statement: 12th meeting of the Emergency Committee under the International Health Regulations Emergency (IHR) regarding the international spread of poliovirus

Recent scientific findings based on literature reviewed after the ninth update of the ECDC Rapid Risk Assessment on Zika virus infection (19 October to 27 January 2017)

WHO ends Zika as a Public Health Emergency of International Concern

Outbreak reports and data

Threats and outbreaks by disease and country

Interim surveillance case definitions for reporting in EU

ECDC in the field

Outbreak tools

Epidemic intelligence

Toolkit for investigation and response to food and waterborne disease outbreaks

Epidemic intelligence and outbreak response

Follow @ECDC_Outbreaks

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WHO recommendations for influenza virus vaccine composition for the 2017-18 northern hemisphere season