Region European Region Parent research recomm 3.2.2 Conduct studies to enhance the clinical applications of existing vaccines, including improvements in production, duration and breadth of protection; safety and immunogenicity profiles; and dose-sparing formulations, especially for high-risk groups Funding Organization World Health Organization (WHO) Research status Completed External Report Link https://www.ncbi.nlm.nih.gov/pubmed/30808440 Public health impact New or improved interventions, treatments, tools, technologies, pharmaceuticals, etc