Host Factors in Viral Life Cycles G. Pérez-Vilaró, J. Jungfleisch, V. Saludes, N. Scheller, M. Giménez-Barcons and J. Díez Math. Model. Nat. Phenom., 7 5 (2012) 123-132 Published online: 17 October 2012 DOI: 10.1051/mmnp/20127509