Timeliness of vaccination by antigen, assessment of missed opportunities for vaccination (MOV), Burkina Faso, 2016. Abbreviations: BCG: Bacillus Calmette-Guerin; OPV: oral polio vaccine; Penta: Diphtheria-tetanus-pertussis-hepatitis B-Haemophilus influenzae type b; PCV: pneumococcal conjugated vaccine; Rota: rotavirus; MR: measles-rubella, YF: yellow fever. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)