Professor Carmelo Biondo has a PhD in Biological Sciences from the Department of Human Pathology of Adult and Developmental Age at the University of Messina. He is also affiliated with the Clinical Microbiology UOC at the same institution. In 2019, he was appointed as an associate professor at the University of Messina, and in 2020, he was qualified as a first-level university professor by the National Scientific Institute. In 2024, the author was appointed as a full professor of microbiology at Messina University. His research interests include the identification of bacterial and fungal antigens that induce immunoprotective responses, the study of host receptors that recognize bacterial and fungal pathogens and trigger innate immune responses, and the study of the mechanisms and transfer of antibiotic resistance in bacteria.