Fumio Tsuda

Full-length sequence of a hepatitis C virus genome having poor homology to reported isolates: Comparative study of four distinct genotypes

Hiroaki Okamoto, Kiyohiko Kurai, Shunichi Okada et al. · Virology · 1992 · 579 citations

Distinct Genotypes, Hepatitis C, Viral Hepatitis +13

Hepatitis B viruses with precore region defects prevail in persistently infected hosts along with seroconversion to the antibody against e antigen

Hiroaki Okamoto, S Yotsumoto, Y. Akahane et al. · Journal of Virology · 1990 · 518 citations · Full text

Vaccination, Viral Replication, Molecular Virology +15

Infection with Hepatitis GB Virus C in Patients on Maintenance Hemodialysis

Kazuo Masuko, Takehiro Mitsui, Keiko Iwano et al. · New England Journal of Medicine · 1996 · 435 citations · Full text

Naturally occurring escape mutants of hepatitis B virus with various mutations in the S gene in carriers seropositive for antibody to hepatitis B surface antigen

Kayoko Yamamoto, Minoru Horikita, Fumio Tsuda et al. · Journal of Virology · 1994 · 306 citations · Full text

Escape Mutants, Viral Replication, Molecular Virology +14

Serological detection of hepatitis B virus genotypes by ELISA with monoclonal antibodies to type-specific epitopes in the preS2-region product

Sadakazu Usuda, Hiroaki Okamoto, Hiroko Iwanari et al. · Journal of Virological Methods · 1999 · 296 citations

Vaccination, Diagnostic Virology, Serological Detection +12