Dr. Waode Fifin Ervina, S.Gz., M.Imun, is an Indonesian researcher whose work spans immunology, nutrition, molecular biology, and the relationship between the gut microbiome and the immune system. She obtained a bachelor's degree in Nutrition from Universitas Hasanuddin, a master's degree in Immunology and a Ph.D. in Medical Science from Universitas Airlangga. Her research experience includes intestinaltight-junction damage, microbiome homeostasis in patients with burns, inflammation, and the immunological effects of Lactobacillus. She is a member of the Society for Mucosal Immunology and the Indonesian Society for Biochemistry and Molecular Biology.