POULTRY FARM BIOSECURITY S.T.Moubarak Cairo University Faculty Of Veterinary Medicine WHAT IS BIOSECURITY? Biosecurity is not just an impressive word pulled out of a dictionary.…
Slide 1 Slide 2 Slide 3 Communicable disease › Disease transmitted from one host to another In order for disease to spread, a chain of events must occur › Pathogen…
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Epidemiology Chapter 20 Principles of Epidemiology Communicable disease Disease transmitted from one host to another In order for disease to spread a chain of events must…
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PowerPoint Presentation KEY CONCEPT 31.1 Germs cause many diseases in humans. 31.1 Pathogens and Human Illness 1 Germ theory states that microscopic particles cause certain…