In the twenty-second round of Grand Challenges Explorations, proposals were solicited that target the following challenges:
- Application of Metagenomic Next Generation Sequencing to Detect and Identify Pathogens
- Increasing Demand for Vaccination Services
- New Approaches for Manufacturing Gut Microbial Biotherapeutics
- Innovation for WASH in Urban Settings
- New Approaches for Strategic Prioritization of Agricultural Development Policies
- Tools and Technologies for Broad-Scale Pest and Disease Surveillance of Crop Plants in Low-Income Countries
- Innovations Driving Programmatic Performance in Immunization: Service Experience and Data Use + Measurement