Article explains the role of surveillance by public health epidemiologists in tracking and controlling infectious diseases in the US and around the world.
A clinical case shows how medical commercialism poses risks to patients without symptoms who get full body scans. Screening for pre-morbid disease detection is valuable if implemented correctly but calls for physician caution.
Medical technology presents a new ethical question in the case of a patient with a left ventricular assist device who, when informed that he has pneumonia and is ineligible for a heart transplant, asks that the LVAD be turned off.