“…The confirmed positivity and the evaluation of the relative risk (1,3,22,23) to conclusions of no risk at all (11,12). The latter statements, however, do not a p p e a r to take into account the ever increasing diffusion of the virus among the population, the risk factors indirectly connected with dialysis (transfusions, grafting, explantation, etc), the state of uremia and the fact that hemodialyzed subjects are out patients who m a y belong to other groups at risk.…”