Learning Objectives

• Explain the important mechanisms of anti-viral and immunity including innate and adaptive immune responses
• Describe the specific roles of interferons and NK cells in viral immunity
• Describe how CTLs recognise and kill virus infected cells
• Explain the important mechanisms of anti-parasite immunity including innate and adaptive immune responses
• Recognise how parasites attempt to evade immunity

Viral Infection

• what are some properties of viruses?
• how are viruses classified?
• what are the 3 main routes of entry for a viral infection?
• what does the eclipse period refer to?
• what are the 5 different types of viral infections?
• how do viruses evade the immune system?

Anti-Viral Immunity

• PPR Recognition of Viruses
• innate immune response?
• adaptive immune response?
• what are the antiviral functions of type I interferons?
• why don’t chronic viral infections have a rapid adaptive response?