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1. Two Clicker questions at the start of class T-helper cells play several very important “central” roles in the immune system.This importance becomes clear when which…

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1. Oral presentation on Microbiology department Benha faculty of medicine 2. We will talk about :  Definitions:  History of vaccine discovery :  Properties of ideal…

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Slide 1Host-Pathogen Interactions Slide 2 Symbiosis Commensual Mutualistic Parasitic Slide 3 Normal microbiota DYNAMIC! Resident vs transient Protective functions: – Block…

Slide 1 Chapter 21B Immune System: Innate and Adaptive Defenses Slides by Barbara Heard and W. Rose. figures from Marieb & Hoehn 9 th ed. Portions copyright Pearson Education…

Slide 1 CRITICAL FACTORS IN DETERMINING THE ANTIGENIC COMPOSITION OF A VACCINE Slide 2 A. Its capacity to induce a protective response: -direct antibodies against external…

Food Sanitation Dr. Ragaa Shawky Assistant Professor Community Medicine Department Definition & Objectives Food sanitation is a component of environmental sanitation,…