Nathanson, N,Ahmed, R., F. Gonzalez-Scarano, D. Griffin, K. Holmes, F. Murphy, H. Robinson. Viral Pathogenesis. Philadelphia: Lippincott-Raven Publishers, 1997.
Richman, D., R. Whitley, F. Hayden.Clinical Virology. New York: Churchill Livingstone Inc., 1997.
White, David, and Frank Fenner. Medical Virology. San Diego: Academic Press, 1994.