The Epidemiological Triad
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Introduction to Epidemiology (Lecture notes)
www.unimed.edu.ngEpidemiological triad • Epidemiological triad : based on the model of –Agent –Host –Environment –Time • Agent: is the cause of disease- viral, bacterial, fungal etc etc • With regards to NCDs: agent could be a chemical (from dietary food, tobacco smoke, solvents), radiation, nutritional deficiency etc
CLASSIFICATION OF TRAUMA AND STRESSOR-RELATED …
www.ptsd.va.govpresent triad (e.g., reexperiencing, avoidance/numbing, and hyperarousal). But the fundamental construct, built into the diagnostic criteria, that exposure to over whelming stress may precede the onset of clinically significant and persistent alterations in cognitions, emotions, and behavior has endured. Epidemiological
Fact sheet Pulmonary embolism - Centre for Pharmacy ...
www.cppe.ac.ukAn epidemiological model constructed to assess the number of venous thromboembolism (VTE) events and associated morbidity and mortality in Europe estimated that over 295,000 cases of PE occur every year, in six European countries (with a total population of 300 million).5 Return to contents Signs and symptoms