166 | Attenuation of Pseudomonas Aeruginosa Virulence by Engineered Phage: Domenico Franco1, Salvatore Papasergi2, Francesco Mediati1, Salvatore P.P. Guglielmino1, Laura Maria De Plano1 | 1Department of Chemical, Biological, Pharmaceutical and Environmental Sciences ChiBioFarAm, University of Messina, Italy; 2Institute of Translational Pharmacology of the National Research Council; 3Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, Italian Workers’Compensation Authority INAIL, Italy. J Biol Res 2026, 99 (s1). https://doi.org/10.4081/jbr.2026.15418.