1. Decade of Vaccines Global Vaccine Action Plan http://www.who.int/immunization/global_vaccine_action_plan/GVAP_doc_2011_2020/en/ 2015
2. World Health Organization GVAP Secretariat Report 2016 http://www.who.int/immunization/global_vaccine_action_plan/gvap_secretariat_report_2016.pdf 2017
3. Modeling and managing the risks of measles and rubella: A global perspective, part I;Thompson;Risk Analysis,2016
4. Pan American Health Organization Region of the Americas is Declared Free of Measles http://www.paho.org/hq/index.php?option=com_content&view=article&id=12528%3Aregion-americas-declared-free-measles 2017
5. Pan American Health Organization Americas Region is Declared the World's First to Eliminate Rubella http://www.paho.org/hq/index.php?option=com_content&view=article&id=10798%3A2015-americas-free-of-rubella&Itemid=1926&lang=en 2017