EFSA Journal

EFSA publishes all its scientific outputs, including its scientific opinions, in the EFSA Journal. It also issues a range of supporting publications. See also Definitions of EFSA Scientific Outputs and Supporting Publications.

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Avian influenza overview February – May 2020

Between 16 February and 15 May 2020, 290highly pathogenic avian influenza (HPAI) A(H5) virus outbreakswere reported in Europe in poultry (n=287), captive birds (n=2) and wild birds (n=1)in Bulgaria, Czechia,Germany,Hungary andPolandand two low pathogenic ...

Clarification of some aspects related to genotoxicity assessment

The European Commission requested EFSA to provide advice on the following: (1) the suitability of the unscheduled DNA synthesis (UDS)  in vivo  assay to follow-up positive results in  in vitro  gene mutation tests; (2) the adequacy to demonstrate target t ...

Scientific Opinion
18 December 2017

Avian influenza

Previous introductions of highly pathogenic avian influenza virus (HPAIV) to the EU were most likely via migratory wild birds. A mathematical model has been developed which indicated that virus amplification and spread may take place when wild bird popula ...

Urgent request on avian influenza

HPAI H5N8 is currently causing an epizootic in Europe, infecting many poultry holdings as well as captive and wild bird species in more than ten countries. Given the clear clinical manifestation, passive surveillance is considered the most effective means ...

Priority topics for guidance development by EFSA’s Scientific Committee

EFSA asked its Scientific Committee to review its own cross-cutting guidance for scientific assessments in order to identify gaps requiring either new or the revision of existing guidance. Through strategic discussions, the Scientific Committee identified ...

Scientific Opinion
20 June 2016

Ecological recovery in ERA

EFSA performs environmental risk assessments (ERAs) for single potential stressors such as plant protection products, genetically modified organisms and feed additives and for invasive alien species that are harmful for plant health. In this risk assessme ...

Scientific Opinion
03 February 2016

Endangered species in ERA

The EFSA performs environmental risk assessment (ERA) for single potential stressors such as plant protection products, genetically modified organisms and feed additives, and for invasive alien species that are harmful to plant health. This ERA focusses p ...

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