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18.3 Viral Diseases KEY CONCEPT Some viral diseases can be prevented with vaccines.

Published byEstella Robertson Modified over 8 years ago

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Presentation on theme: "18.3 Viral Diseases KEY CONCEPT Some viral diseases can be prevented with vaccines."— Presentation transcript:

1 18.3 Viral Diseases KEY CONCEPT Some viral diseases can be prevented with vaccines.

2 18.3 Viral Diseases Viruses cause many infectious diseases There are many examples of viral infections. –common cold Rhinovirus over 100 different types

3 18.3 Viral Diseases –influenza Viruses cause many infectious diseases There are many examples of viral infections. –common cold

4 18.3 Viral Diseases –influenza Viruses cause many infectious diseases There are many examples of viral infections. –common cold –SARS

5 18.3 Viral Diseases –HIV HIV-infected white blood cell Viruses cause many infectious diseases There are many examples of viral infections. The body has natural defenses against viruses.

6 18.3 Viral Diseases A substance that stimulates the body’s own immune response against invasion by microbes. Made from a weakened form of the virus itself. Triggers the body’s immune system to produce antibodies Memory cells “remember” the virus so future attacks can be prevented. Measles Mumps Rubella Influenza Chicken Pox Hepatitis Meningitis Polio Small Pox (not used anymore) HIV (Aids) Common cold West Nile Virus

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