Pulse Net

PulseNet, completed in May 1998, is a national computer network of public heath laboratories that perform DNA fingerprinting on two bacteria: E. coli O157:H7 and Salmonella typhimurium. Using a standardized methodology for pulsed-field gel electrophoresis (PFGE), designated network laboratories in the United States can rapidly determine whether foodborne illnesses in multiple locations are linked to a common pathogen and food source. Bacterial PFGE patterns are entered into a centralized national electronic database by the state or local health department. Matching patterns from different locations during a defined time period will trigger an alert to a possible multilocation foodborne-illness outbreak. 8

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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