In July 2012, the European Centre for Disease Prevention and Control initiated a Europe-wide investigation on a Salmonella Stanley outbreak, together with the affected Member States, the European Food Safety Authority (EFSA) and the European Reference Laboratory for Salmonella (EURL Salmonella).
Following an invitation from Greek authorities, ECDC Director Marc Sprenger and experts from the ECDC Programmes for Sexually Transmitted Infections including HIV and blood-borne infections and Antimicrobial Resistance and Healthcare-associated Infections will visit Greece on 29 and 30 November 2012.
The study design and analysis controlled for influence of potentially confounding trends, such as improvement of day-care carriage and decreasing prevalence of smoking during the study period.