Keiko Katayama

Sex- and Age-Specific Carriers of Hepatitis B and C Viruses in Japan Estimated by the Prevalence in the 3,485,648 First-Time Blood Donors during 1995–2000

Junko Tanaka, Junko Kumagai, Keiko Katayama et al. · Intervirology · 2004 · 174 citations

Total Numbers of Undiagnosed Carriers of Hepatitis C and B Viruses in Japan Estimated by Age- and Area-Specific Prevalence on the National Scale

Junko Tanaka, Tomiko Koyama, Masaaki Mizui et al. · Intervirology · 2011 · 154 citations

Minimum infectious dose of hepatitis B virus in chimpanzees and difference in the dynamics of viremia between genotype A and genotype C

Yutaka Komiya, Keiko Katayama, Hisao Yugi et al. · Transfusion · 2007 · 91 citations

Titration of hepatitis B virus infectivity in the sera of pre‐acute and late acute phases of HBV infection: Transmission experiments to chimeric mice with human liver repopulated hepatocytes

Ayako Tabuchi, Junko Tanaka, Keiko Katayama et al. · Journal of Medical Virology · 2008 · 59 citations

Titration of Hepatitis C Virus in Chimpanzees for Determining the Copy Number Required for Transmission

Keiko Katayama, Junko Kumagai, Yutaka Komiya et al. · Intervirology · 2004 · 50 citations