1. Istituto Superiore di Sanità (ISS), National Centre for Epidemiology Surveillance and Health Promotion, Rome, Italy
2. Istituto Superiore di Sanità (ISS), Department of Infectious, Parasitic and Immune-mediated Diseases
3. Istituto Superiore di Sanità (ISS), Department of Veterinary Public Health and Food Safety
4. European Programme for Intervention Epidemiology Training (EPIET), European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden
5. Department of Health, Province of Trento, Italy
6. Department of Health, Province of Bolzano, Italy
7. The members of the Central Task Force on Hepatitis A are listed at the end of the article