Fabiana Maribel Zepeda Arias, known as "Jefa Fabiana" or "Chief Fabiana," is a Mexican nurse and administrator. She heads the Division of Nursing Programs at the Mexican Social Security Institute. She is part of the team that spearheads government measures against the COVID-19 pandemic.
She studied at the at National Autonomous University of Mexico, Instituto Politécnico Nacional, and Autonomous University of Aguascalientes.
On May 12, 2020, Chief Fabiana tested positive for COVID-19 and entered the hospital on May 15. She left after a few days following successful treatment.