To support community-based organizations (CBOs) to increase vaccination coverage across different racial and ethnic adult populations currently experiencing disparities.

To strengthen sentinel rotavirus surveillance in Nigeria and Indonesia and enable monitoring of trends in rotavirus hospitalizations pre- and post-vaccine introduction in order to observe the impact of rotavirus vaccines and serve as a platform for case-control evaluations of rotavirus vaccine effectiveness.

To capture the successes and challenges that arise with a national introduction of the HPV vaccine in low-and lower-middle income countries and to gain a better understanding of program transition to national scale-up, program preparation and communication, program delivery and financial implications for long-term sustainability.