Health Observation App for COVID-19 Symptom Tracking Integrated With Personal Health Records: Proof of Concept and Practical Use Study

Keiichi Yamamoto   ¹ , PhD ;   Tsubasa Takahashi   ² , MSc ;   Miwa Urasaki   ³ , BSc ;   Yoichi Nagayasu   ⁴ , MSc ;   Tomonari Shimamoto   ⁵ , PhD ;   Yukiko Tateyama   ⁵ , MPH, PhD ;   Keiichi Matsuzaki   ⁵ , MD, PhD ;   Daisuke Kobayashi   ⁵ , MD, PhD ;   Satoshi Kubo   ⁶ , MSc ;   Shigeyuki Mito   ⁷ , BA ;   Tatsuya Abe   ⁴ , BSc ;   Hideo Matsuura   ⁸ , MD, PhD ;   Taku Iwami   ⁵ , MD, PhD

¹ Information Technology Center, Wakayama Medical University, Wakayama, Japan

² beyondS Inc, Tokyo, Japan

³ Wakayama City Public Health Center, Wakayama City, Japan

⁴ Healthtech Laboratory, Inc, Kyoto, Japan

⁵ Kyoto University Health Service, Kyoto, Japan

⁶ Suzuka University of Medical Science, Mie, Japan

⁷ TMI Associates, Tokyo, Japan

⁸ Wakayama City Public Health Center, Wakayama, Japan