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. Author manuscript; available in PMC: 2023 Jul 16.
Published in final edited form as: Br Med Bull. 2015 Feb 3;113(1):5–14. doi: 10.1093/bmb/ldv001

Fig. 1.

Fig. 1

Global DTP3 coverage, 1980–2013.5 Source: WHO/UNICEF coverage estimates 2013 revision. July 2014. Immunization Vaccines and Biologicals (IVB), World Health Organization. DTP3 = third dose of diphtheria–tetanus–pertussis containing vaccine.