18.3 viral diseases key concept some viral diseases can be prevented with vaccines
TRANSCRIPT
18.3 Viral Diseases
KEY CONCEPT Some viral diseases can be prevented with vaccines.
18.3 Viral Diseases
Viruses cause many infectious diseases
• There are many examples of viral infections.– common cold
Rhinovirus over 100 different types
18.3 Viral Diseases
– influenza
Viruses cause many infectious diseases
• There are many examples of viral infections.– common cold
18.3 Viral Diseases
– influenza
Viruses cause many infectious diseases
• There are many examples of viral infections.– common cold
– SARS
18.3 Viral Diseases
– HIV
HIV-infected whiteblood cell
Viruses cause many infectious diseases
• There are many examples of viral infections.
• The body has natural defenses against viruses.
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