Clustering infection of hepatitis B virus genotype B4 among residents in Vietnam, and its genomic characters both intra- and extra-family.

by Junko Matsuo, Son Huy Do, Chikako Yamamoto, Shintaro Nagashima, Channarena Chuon, Keiko Katayama, Kazuaki Takahashi, Junko Tanaka
Published 2017-01-01

Existence of hepatitis B virus surface protein mutations and other variants: demand for hepatitis B infection control in Cambodia

by Ko Ko, Kazuaki Takahashi, Shintaro Nagashima, Chikako Yamamoto, Vichit Ork, Aya Sugiyama, Tomoyuki Akita, Masayuki Ohisa, Channarena Chuon, Md. Shafiqul Hossain, Bunsoth Mao, Junko Tanaka
Published 2020-04-01

Substitution of the CD81 Binding Site and β-Sandwich Area in E2 of HCV in Cambodia

by Chikako Yamamoto, Shintaro Nagashima, Channarena Chuon, Ko Ko, Son Huy Do, Oline Lim, Sirany Hok, Somana Svay, Junko Matsuo, Keiko Katayama, Kazuaki Takahashi, Junko Tanaka
Published 2020-05-01

Prevalence of total hepatitis A antibody among 5 to 7 years old children and their mothers in Cambodia

by Shintaro Nagashima, Ko Ko, Chikako Yamamoto, E. Bunthen, Serge Ouoba, Channarena Chuon, Masayuki Ohisa, Aya Sugiyama, Tomoyuki Akita, Md. Shafiqul Hossain, Vichit Ork, Bunsoth Mao, Junko Tanaka
Published 2021-02-01

Molecular characterization and the mutation pattern of SARS-CoV-2 during first and second wave outbreaks in Hiroshima, Japan.

by Ko Ko, Shintaro Nagashima, Bunthen E, Serge Ouoba, Tomoyuki Akita, Aya Sugiyama, Masayuki Ohisa, Takemasa Sakaguchi, Hidetoshi Tahara, Hiroki Ohge, Hideki Ohdan, Tatsuhiko Kubo, Eisaku Kishita, Masao Kuwabara, Kazuaki Takahashi, Junko Tanaka
Published 2021-01-01

The changing epidemiology of hepatitis B and C infections in Nanoro, rural Burkina Faso: a random sampling survey

by Moussa Lingani, Tomoyuki Akita, Serge Ouoba, Shintaro Nagashima, Palwende Romuald Boua, Kazuaki Takahashi, Basile Kam, Aya Sugiyama, Théodore Nikiema, Chikako Yamamoto, Athanase Somé, Karim Derra, Ko Ko, Hermann Sorgho, Zekiba Tarnagda, Halidou Tinto, Junko Tanaka
Published 2020-01-01