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17 Μαΐ 2016 · This document discusses infectious diseases. It defines key terms like disease, infection, pathogen, and host. It describes Koch's postulates for determining the cause of a specific disease. It explains that diseases are caused by microbes like bacteria, viruses, protozoa, and fungi.
- Infectious diseases | PPT | Free Download - SlideShare
How Microorganisms Cause Disease • Humans harbor a complex...
- Introduction to infectious diseases | PPT - SlideShare
The document discusses infectious diseases and key related...
- Infectious diseases | PPT | Free Download - SlideShare
20 Σεπ 2019 · How Microorganisms Cause Disease • Humans harbor a complex ecosystem of microbial flora. • Attenuation of normal host defenses “healthy” microbial flora to cause pathologic infections. • Non-commensal organisms with a wide range of virulence. • Highly infectious microbes produce disease in healthy individuals.
8 Δεκ 2011 · The document discusses infectious diseases and key related concepts. It defines infectious disease as a disease caused by an infectious agent like a bacterium, virus, fungus or parasite that can be transmitted between hosts.
Immune System: a group of cells, tissues, and organs that fight disease; Lymphocytes: white blood cells that attack pathogens; Antibodies: chemicals produced specifically to fight a particular...
Also known as communicable diseases, infectious diseases (in FEK shus) are caused by organisms or viruses that enter and multiply within the human body. Microorganisms (my kroh AWR guh niz ums) are organisms that can be seen only through a microscope.
12 Νοε 2014 · Presentation Transcript. Infectious Diseases (Communicable diseases) Start with an activity • What does infectious mean? • How many infectious diseases in children can you list? • How are they transmitted (passed on)? • Are the diseases you have named preventable through vaccination?
Infectious Disease. Aka Communicable Diseases. Caused by micro-organisms. Parasite – lives in/on and feeds on host.
