Strategy for Hepatitis B and C Virus Testing Campaigns Through Web Services and Digital Advertising in Japan: Nationwide Cross-Sectional Study With Correspondence Analysis

Kosuke Sakai   ¹ , MD, PhD ;   Shoko Nakazawa   ¹ , MD, PhD ;   Yuko Furuya   ¹ , MD, PhD ;   Kota Fukai   ¹ , MD, PhD ;   Kei Sano   ² , MD, PhD ;   Masaaki Korenaga   ³ , MD, PhD ;   Masayuki Tatemichi   ¹ , MD, PhD

¹ Department of Preventive Medicine, School of Medicine, Tokai University, Isehara, Japan

² Department of Ophthalmology, The Jikei University School of Medicine, Minatoku, Japan

³ Hepatitis Information Center, The Research Center for Hepatitis and Immunology, National Institute of Global Health and Medicine, Japan Institute for Health Security, Ichikawa, Japan