Analysis Of Healthcare-Associated Infections (HAIs) Surveillance System At RSUD Drs. H. Amri Tambunan Regional Hospital Deli serdang Regency: Analysis Of Healthcare-Associated Infections (HAIs) Surveillance System At Drs. H. Amri Tambunan Regional Hospital Deli serdang Regency. JKG. 2025;7(2):319-328. doi:10.35451/jkg.v7i2.2690