TECHNICAL REPORT Review of outbreaks and barriers to MMR vaccination coverage among hard-to-reach populations in Europe

Acknowledgments The VENICE Project would like to take this opportunity to thank all the gatekeepers, contact points and members of the work packages for their contributions to this report. The time generously provided by each person in answering the questionnaire and subsequent follow-up queries is greatly appreciated. We also would like to thank Dr Filia Antonietta for her support in questionnaire development for the MMR survey and librarians support from Istituto Superiore di Sanità (Dr Rosaria Rosanna Cammarano) Rome, Italy. Additionally, we would like to acknowledge the work of EUVAC.net and specifically Dr Mark Muscat whose work and publications on measles were utilised for this project. We also would like to thank those VENICE gatekeepers who generously provided time completing data related to specific population groups within their countries: IE-Tsolova. We would also like to thank those who actively participated in the EPIS-VPD e-forum. Suggested citation: European Centre for Disease Prevention and Control. Review of outbreaks and barriers to MMR vaccination coverage among hard-to-reach populations in Europe.