During outbreaks, ECDC issues draft interim case definitions for surveillance, to support classifying cases for epidemiological reporting in EU.
Case definition for coronavirus disease 2019 (COVID-19), as of 3 December 2020
Ebola virus disease ad hoc case definition for reporting in the EU
Publication
Interim surveillance case definition for influenza A/H5N1 in humans in the EU
Technical report-
Case definition for surveillance of Zika virus infection
EU case definition: HUS caused by epidemic strain Shiga toxin 2-producing Escherichia Coli
Publication
EU protocol for case detection, laboratory diagnosis and environmental testing of Mycobacterium chimaera infections potentially associated with heater-cooler units: case definition and environmental testing methodology