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Mary Ann C. Sison, DMM, MPH
University Researcher II
Department of Medical Microbiology

Ms. Mary Ann C. Sison is currently University Researcher II. She is a BS Public Health graduate and also took up her Master of Public Health from the College of Public Health, UP Manila. She also underwent a 5-month Diploma in Medical Microbiology course at the Institute for Medical Research, Kuala Lumpur, Malaysia sponsored by SEAMEO-TropMed.

Ms. Sison has specialized in various fields of Medical Microbiology foremost of which are Bacteriology and Mycology.



  • Sia Su G, Fernandez EL, Marasigan MM, Sia Su ML, Sison, M and Bungay, AA.. Isolation and colonial morphological characterization of fungal species in copper laden sediments of Calancan Bay, Marinduque. Annual Research and Review in Biology. (2014); 4 (11); 1777-1783
  • Lota MMM, Sison MAC, Latorre AAE.. A Retrospective Study on Extended Spectrum BetaLactamase Bacteria in the Philippines from 1999 – 2013. Acta Medica Philippina. (2014); 48 (1); 28-34
  • Sia Su G, David PD,Tan LA, Sison, MA, Ragraio, E, Arollado, E, De Guzman, T.. Phytochemical Screening and antimicrobial activity of Casicum frutescens Linn, Crude fruit extract on selected microorganisms.. J Pharm Biomed Sci.. ; 37; 1922-1926
  • Sia Su,G, Duenas,K, Roderno,K, Sison, MA, Sia Su, ML, Ragrario,E, De Guzman, T, Heralde, F.. Distribution and Diversity of Marine Fungi in Manila Bay. 2014. Malaysian Journal of Microbiology (Scopus). . ; ;