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

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Prevalence and genotype distribution of viral hepatitis B in Cambodia between 1990 and 2020: a systematic review and meta-analysis by Bunthen E, Pichetra Ou, Serge Ouoba, Md Razeen Ashraf Hussain, Ko Ko, Shintaro Nagashima, Aya Sugiyama, Tomoyuki Akita, Junko Tanaka

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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

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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

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Epidemiologic profile of hepatitis C virus infection and genotype distribution in Burkina Faso: a systematic review with meta-analysis by Serge Ouoba, Jean Claude Romaric Pingdwinde Ouedraogo, Moussa Lingani, Bunthen E, Md Razeen Ashraf Hussain, Ko Ko, Shintaro Nagashima, Aya Sugiyama, Tomoyuki Akita, Halidou Tinto, Junko Tanaka

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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

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Despite low viral titer in saliva samples, Sanger-based SARS-CoV-2 spike gene sequencing is highly applicable for the variant identification by Ko Ko, Kazuaki Takahashi, Noriaki Ito, Aya Sugiyama, Shintaro Nagashima, Kei Miwata, Yoshihiro Kitahara, Mafumi Okimoto, Serge Ouoba, Golda Ataa Akuffo, Bunthen E, Tomoyuki Akita, Toshiro Takafuta, Junko Tanaka

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A longitudinal study of anti-SARS-CoV-2 antibody seroprevalence in a random sample of the general population in Hiroshima in 2020 by Aya Sugiyama, Fumie Okada, Kanon Abe, Hirohito Imada, Serge Ouoba, Bunthen E, Md Razeen Ashraf Hussain, Masayuki Ohisa, Ko Ko, Shintaro Nagashima, Tomoyuki Akita, Shinichi Yamazaki, Michiya Yokozaki, Eisaku Kishita, Junko Tanaka

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Seroepidemiological study of factors affecting anti-spike IgG antibody titers after a two-dose mRNA COVID-19 vaccination in 3744 healthy Japanese volunteers by Aya Sugiyama, Akemi Kurisu, Shintaro Nagashima, Kiyomi Hando, Khilola Saipova, Sayyora Akhmedova, Kanon Abe, Hirohito Imada, Md Razeen Ashraf Hussain, Serge Ouoba, Bunthen E, Ko Ko, Tomoyuki Akita, Shinichi Yamazaki, Michiya Yokozaki, Junko Tanaka

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Author Correction: Seroepidemiological study of factors affecting anti-spike IgG antibody titers after a two-dose mRNA COVID-19 vaccination in 3744 healthy Japanese volunteers by Aya Sugiyama, Akemi Kurisu, Shintaro Nagashima, Kiyomi Hando, Khilola Saipova, Sayyora Akhmedova, Kanon Abe, Hirohito Imada, Md Razeen Ashraf Hussain, Serge Ouoba, Bunthen E, Ko Ko, Tomoyuki Akita, Shinichi Yamazaki, Michiya Yokozaki, Junko Tanaka

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Exercising the Sanger Sequencing Strategy for Variants Screening and Full-Length Genome of SARS-CoV-2 Virus during Alpha, Delta, and Omicron Outbreaks in Hiroshima by Ko Ko, Kazuaki Takahashi, Shintaro Nagashima, Bunthen E, Serge Ouoba, Toshiro Takafuta, Yoshiki Fujii, Michi Mimori, Fumie Okada, Eisaku Kishita, Kunie Ariyoshi, Md Razeen Ashraf Hussain, Aya Sugiyama, Tomoyuki Akita, Masao Kuwabara, Junko Tanaka

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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

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Residual risk of mother-to-child transmission of HBV despite timely Hepatitis B vaccination: a major challenge to eliminate hepatitis B infection in Cambodia by Bunthen E, Ko Ko, Rattana Kim, Shintaro Nagashima, Serge Ouoba, Md Razeen Ashraf Hussain, Tomoki Sato, Channarena Chuon, Kanon Abe, Aya Sugiyama, Kazuaki Takahashi, Tomoyuki Akita, Rathavy Tung, Vichit Ork, Md. Shafiqul Hossain, Vonthanak Saphonn, Junko Tanaka

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Intermediate hepatitis B virus infection prevalence among 1622 pregnant women in rural Burkina Faso and implications for mother-to-child transmission by Serge Ouoba, Ko Ko, Moussa Lingani, Shintaro Nagashima, Alice N. Guingané, E. Bunthen, Md Razeen Ashraf Hussain, Aya Sugiyama, Tomoyuki Akita, Masayuki Ohisa, Moussa Abdel Sanou, Ousmane Traore, Job Wilfried Nassa, Maimouna Sanou, Kazuaki Takahashi, Halidou Tinto, Junko Tanaka

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Mass Screening of SARS-CoV-2 Variants using Sanger Sequencing Strategy in Hiroshima, Japan by Ko Ko, Kazuaki Takahashi, Shintaro Nagashima, Bunthen E, Serge Ouoba, Md Razeen Ashraf Hussain, Tomoyuki Akita, Aya Sugiyama, Takemasa Sakaguchi, Hidetoshi Tahara, Hiroki Ohge, Hideki Ohdan, Tatsuhiko Kubo, Nobuhisa Ishikawa, Toshiro Takafuta, Yoshiki Fujii, Michi Mimori, Fumie Okada, Eisaku Kishita, Kunie Ariyoshi, Masao Kuwabara, Junko Tanaka

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