Explain the function of the immune system, the basic biology of major viral diseases and the biological basis for vaccination. Explain what a vaccine is and why we have effective vaccines for some infectious disease but not all.

Research the literature and give a brief overview addressing each of the following

Explain the function of the immune system, the basic biology of major viral diseases and the biological basis for vaccination.
Explain what a vaccine is and why we have effective vaccines for some infectious disease but not all.
Identify key immune responses to pathogens, manipulation of immune response for vaccines or immunotherapy, and failure or aberrant immune responses.
Explain the biological principles and vaccination strategies that allowed smallpox eradication.
Describe the role, benefits, and limitations of vaccines in assuring the health of populations.