Unitaid Unitaid is a global health agency engaged in finding innovative solutions to prevent, diagnose and treat diseases more quickly, cheaply and effectively, in low- and middle-income countries. National Institutes of Health The National Institutes of Health (NIH) is is a medical research agency and a part of the Department of Health and Human Services, USA. Engineering and Physical Sciences Research Council The Engineering and Physical Sciences Research Council (EPSRC) is the main funding body for engineering and physical sciences research in the UK.