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Timeline of historical Gavi investment decisions for new vaccine support, 2000–2018. Abbreviations: DTP, diphtheria, pertussis, and tetanus; Hib, Haemophilus influenzae type b; HPV, human papillomavirus; IPV, inactivated poliovirus vaccine; JE, japanese encephalitis; MRI, Measles & Rubella Initiative; PCV, pneumococcal conjugate vaccine; RI/MPC, routine immunisation/mass preventive campaigns; RSV, respiratory syncytial virus; VIS, Vaccine Investment Strategy; YF, yellow fever.
