NBSZ clears 2 000 blood units backlog Staff Writer 6 months ago NBSZ chief executive, Lucy Marowa BY NYASHA KUNYISWATHE National Blood Services Zimbabwe (NBSZ) says it has cleared its over 2 000 blood units backlog following the recent... To access this post, you must purchase a subscription. Please click the button below to visit our subscriptions page to select a package. Subscriptions