How we forecast tomorrow's hemovigilance.

The field of haemovigilance continues to develop, building on more than forty years of international experience. This review considers the current scope and activities of haemovigilance around the world and explores aspects of preparation for the advent of new blood products and alternative therapies to transfusion; new tools for data acquisition (including patient- and donor-reported outcomes, and data from 'wearables') and the analysis and communication of haemovigilance results.