The Special Session of the One Health Club, promoted by ABRASUNI, will celebrate World One Health Day on November 3, 2026, at 7:00 PM (Brasília time). The event will feature a lecture entitled “Who Is the Patient of One Health?”, delivered by Prof. Dr. Flavio Manoel Rodrigues da Silva Júnior (UFAL). The session will explore the concept of the One Health patient and the interconnections between human, animal, and environmental health.