Tag--You're Sick: Patterns of personal contact in a hospital reveal true pathways of transmission. Scientific American November 2012.
European researchers tagged 119 individuals in a pediatric ward to record face-to-face interactions and the attendant potential for spreading airborne pathogens. The graphs presented here record the interactions of nurses, physicians, caregivers, ward assistants, and patients. Important is the fact that nurses interact with the widest variety of people and therefore should focus on disease/sickness transmission.
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