Our focus is the performance of studies on human communicable diseases (of humans). The concept includes the planning, preparation, supervision, performance and analysis of observational studies and clinical trials, combining classical, molecular and clinical epidemiology. Focus diseases are malaria, salmonellosis, cryptosporidiosis, sepsis, neglected tropical diseases (NTD) and co-infections in resource-poor settings. The group is interested in the development, evaluation and application of advanced diagnostics of infectious diseases, integration of electronic surveillance, definition of health priorities, and the analysis of the pathogens and their transmission conditions. The latter includes the analysis of genetic, environmental, socio-economic, demographic, and spatio-temporal risk factors on the host site as well as influence factors of the pathogens and vectors. The superior aim is the translation of results to implementation of diagnostics, treatment, prevention and capacity building in endemic countries. The studies are mainly performed together with the Kumasi Center for Collaborative Research (KCCR), the Ghana School of Public Health of the University of Ghana and different hospitals and communities in the Ashanti Region. Other cooperation partners are in many other African countries as well as in Vietnam and Laos.