1. CDC: Centers for Disease Control and Prevention [Internet]. Atlanta (GA): Vaccines & Immunizations: Basics and Common Questions: Some Common Misconceptions; [modified 2011 Feb 18; cited 2014 Jan 5]; [about 12 screens] http://www.cdc.gov/vaccines/vac-gen/6mishome.htm
2. PATH: Driving Transformation to Save Lives [Internet]. Seattle (WA): c1995-2014. Vaccine Access and Delivery Global Program; c2010-2014 [cited 2014 Jan 5]; [about 3 screens] http://sites.path.org/vaccineaccessanddelivery/
3. Medecins Sans Frontieres: Access Campaign [Internet]. Geneva (CH): Our Work: Addressing Medical Challenges: Vaccines; [cited 2014 Jan 5]; [about 3 screens] http://www.msfaccess.org/our-work/vaccines
4. GAVI Alliance Progress report 2012 [Internet] The GAVI Alliance Geneva, CH 2013 66 http://www.gavialliance.org/library/publications/gavi-progress-reports/gavi-alliance-progress-report-2012/