HOST PARASITE INTERACTIONS

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HOST PARASITE INTERACTIONS

• NORMAL FLORA
• DISEASE STATE - PROGRESS OF DISEASE

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PROGRESS OF DISEASE
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HOW BACTERIA CAUSE DISEASE

• TOXINS
• EXOTOXINS AND ENDOTOXINS

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• SYMPTOMS OF EXOTOXINS AND ENDOTOXINS
• EXOTOXINS HIGHLY VARIED
• NEUROTOXINS
• CYTOTOXINS
• ENTEROTOXINS
• ENDOTOXINS ALL THE SAME
• FEVER
• SHOCK
• DIARRHEA
• SOMETIMES INTERNAL HEMORRHAGE AND ABORTION

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• ENZYMES (INVASINS)
• HYALURONIDASE
• COAGULASE
• KINASES
• HEMOLYSINS
• LEUCOCIDINS
• ABILITY TO BE TRANSMITTED
• DIRECT CONTACT
• AIR-BORNE MECHANISM
• FOOD AND WATER-BORNE MECHANISM
• VECTOR MECHANISM

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• TISSUE AFFINITY
• INFECTIVE DOSE