2025. CO21 | The strategy on healthcare-associated infections prevention in patients with previous SARS-CoV 2 infection. Analysis of the cost and consumption of antibiotics: M. Lugarà1, D. Birra2, C. Bologna1, D.V. Iula3, R. Piscitelli4, R. Natale5, L.M. Capece5, P. Tirelli1, M. Borrelli5, V. Nuzzo1 | 1Presidio Ospedaliero Del Mare -Unit of General Internal Medicine, Naples, 2Presidio Ospedaliero Del Mare -Unit of General Internal Medicine Naples, 3Presidio Ospedaliero Del Mare, Microbiology Unit, Naples, 4Presidio Ospedaliero Del Mare, Department of Pharmacy, Naples, 5Department of clinical Medicine an d Surgery-Internal Medicine-University Federico II, Naples, Italy. Italian Journal of Medicine. 19, 1.online (Aug. 2025). DOI:https://doi.org/10.4081/.