Metadata
Author: Common crawl
Data
English[en]
Many directed donors have never donated blood before, and so, have not been proven (by repeated donations) to be free of infectious agents.
Spanish[es]
Muchos donantes dirigidos nunca han donado sangre, y por lo tanto no se ha comprobado (mediante repetidas donaciones) que estén libres de infecciones o agentes infecciosos.