- Carmelo Biondo: Department of Human Pathology, University of Messina, Via C. Valeria n.1, Policlinico Universitario "G. Martino", Gazzi, 98125 Messina, Italy.
Pathogenicity, or the ability of a microorganism to cause disease, depends on several factors, among which the immune status of the host and the microbial species involved in the exposure play a key role [...].