Doctors and vampires in sub-Saharan Africa Instituut voor Tropische Geneeskunde KU Leuven Vrije Universiteit Brussel Universiteit Gent
Collecting blood samples from individuals recruited into clinical research projects in sub-Saharan Africa can be challenging. Strikingly, one of the reasons for participant reticence is the occurrence of local rumors surrounding "blood stealing" or "blood selling." Such fears can potentially have dire effects on the success of research projects--for example, high dropout rates that would invalidate the trial's results--and have ethical ...