Early Detection of Dengue Fever Outbreaks Using a Surveillance App (Mozzify): Cross-sectional Mixed Methods Usability Study

Von Ralph Dane Marquez Herbuela   ^{1, 2} , PhD ;   Tomonori Karita   ³ , PhD ;   Thaddeus Marzo Carvajal   ^{1, 4} , PhD ;   Howell Tsai Ho   ⁵ , PhD ;   John Michael Olea Lorena   ⁶ , PhD ;   Rachele Arce Regalado   ⁷ , MA ;   Girly Dirilo Sobrepeña   ⁸ , MD ;   Kozo Watanabe   ^{1, 4} , PhD

¹ Center for Marine Environmental Studies, Ehime University, Matsuyama, Japan

² Department of Civil and Environmental Engineering, Graduate School of Science and Engineering, Ehime University, Matsuyama, Japan

³ Department of Special Needs Education, Graduate School of Education, Ehime University, Matsuyama, Japan

⁴ Biological Control Research Unit, Center for Natural Science and Environmental Research, De La Salle University, Manila, Philippines

⁵ College of Arts, Sciences and Education, Trinity University of Asia, Quezon City, Philippines

⁶ St. Luke’s College of Nursing, Trinity University of Asia, Quezon City, Philippines

⁷ Guidance Counseling and Testing Department, University of Santo Tomas–Angelicum College, Quezon City, Philippines

⁸ Pediatrics Department, Novaliches District Hospital, Quezon City, Philippines