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InfectiousCont - How Do You Catch An Infection Animals...

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How Do You Catch An Infection? Animals Animals Insects Insects People People Water Water Food Food
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Infectious Diseases – Considerations for the 21 st Century Viruses, bacteria, fungi, protozoa, helminths Infectious diseases are the second leading cause of death world-wide A virus takes over a body cell’s reproductive ability & instructs it to produce new viral particles which are released to enter other cells.
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Infectious Diseases – Considerations for the 21 st Century 3 greatest microbial killers worldwide: HIV, malaria, tuberculosis Protozoa-single cell organism Example-Giardia protozoan most common in U.S. Immune Response Antigen-a substance that white blood cells recognize as foreign. Antibodies-proteins that bind to antigens & mark them for destruction by other white blood cells.
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