In collaboration with the Clinical Guidelines Committee King Saud University Medical City, headed by Dr. Lubna Al-Ansari, held the closing ceremony of the national evidence-based guideline for the optimal use of antibiotics on Thursday, 16 Rajab 1446, corresponding to 16/1/2025. With the distinguished honor of the Executive Director of Health Affairs at the University Medical City, Dr. Abdulaziz Al-Thunayan And the Acting Director of the General Directorate of Quality, Mr. Maher Taiti And the honorable attendance of the participants and reviewers of the first guideline for the optimal use of antibiotics.