© Joel Goodman - 07973 332324 - all rights reserved . 24/02/2021. Bolton , UK . Samples are checked in a segregated " Level Three Containment Room " used to analyse samples for dangerous pathogens , historically referred to as the " TB Room " . A look at the blood sciences department and laboratories that serve patients on the wards at the Royal Bolton Hospital and from across the Bolton region . Photo credit : Joel Goodman