Widyasari, D.F., Daniwijaya, E.W., Purnomo, G.S., Rahayu, A. and Nuryastuti, T. 2026. The hospital environment as an ecological driver of multidrug-resistant organisms: evidence from intensive isolation and operating rooms. Berita Kedokteran Masyarakat. 42, 01 (Jan. 2026), e24745. DOI:https://doi.org/10.22146/bkm.v42i01.24745.