date:Apr 15, 2014
of infection. Other hypotheses, such as cross contamination in the food production environment or that the outbreak strain is already widespread but previously undetected, have now also been taken into account.
EFSA is leading a trace-back investigation, with the support of affected Member States, the European Centre for Disease Prevention and Control, the European Commission and the Federal Institute for risk assessment (Bfr).
Outbreak of hepatitis A in EU/EEA countries - Second update