MERTHA ADNYANA, I Made Dwi, Hindu University of Indonesia, Faculty of Information Technology and Science, Department of Biology, Sangalangit, Tembau, Penatih, East Denpasar, Denpasar City, 80236; Airlangga University, Master Program in Tropical Medicine, Faculty of Medicine, Pacar Kembang, Tambaksari, 60132, Surabaya City, Indonesia