1. Decade of vaccines. Editorial;Alonso;Vaccine,2013
2. World Health Organization. Global vaccine action plan 2011–2020; 2013 [October 8, 2018]. .
3. World Health Organization. 2016 midterm review of the global vaccine action plan strategic advisory group of experts on immunization; 2016 [October 8, 2018]. .
4. World Health Organization. Global Health Observatory data repository: diphtheria tetanus toxoid and pertussis (DTP3) immunization coverage estimates by country; 2018 [December 3, 2018]. .
5. Henaff L, World Health Organization. NITAG resource center: supporting evidence-informed decision making for immunization programs and policies; 2018 [December 3, 2018]. .