Path Diarrhoeal Disease Vaccine (PDD) 2009-14 This activity (Path Diarrhoeal Disease Vaccine (PDD) 2009-14) is a component of Path Diarrhoeal Disease Vaccine (PDD) 2009-14 reported by FCDO and a budget of £5,000,000.This project benefits Developing countries, unspecified.And works in the following sector(s): Medical research.