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Takako Utsumi and Maria Inge Lusida and Zayyin Dinana and Rury Mega Wahyuni and Soegeng Soegijanto and Soetjipto and Alpha Fardah Athiyah and Subijanto Marto Sudarmo and I Gusti Made Reza Gunadi Ranuh and Andy Darma and Juniastuti and Laura Navika Yamani and Yen Hai Doan and Hiroyuki Shimizu and Koji Ishii and Chieko Matsui and Lin Deng and Takayuki Abe and Kazuhiko Katayama and Ikuo Shoji (2021) Molecular epidemiology and genetic diversity of norovirus infection in children hospitalized with acute gastroenteritis in East Java, Indonesia in 2015–2019. Infection, Genetics and evolution, 88. pp. 1-10. ISSN 15677257

Juniastuti and Dedy Wahyuddin and Nihayatussa'adah and Mochammad Amin and Laura Navika Yamani and Takako Utsumi and Florentina Sustini and Maria Inge Lusida (2019) Analysis of genetic and serology of hepatitis A virus infection during and after outbreak in two junior high schools in Surabaya, Indonesia. Journal of Medical Virology, 91 (6). pp. 1048-1055. ISSN 10969071

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Yoshiki Fujii and Yen Hai Doan and Rury Mega Wahyuni and Maria Inge Lusida and Takako Utsumi and Ikuo Shoji and Kazuhiko Katayama (2019) Improvement of Rotavirus Genotyping Method by Using the Semi-Nested Multiplex-PCR With New Primer Set. Frontiers in Microbiology, 10 (647). pp. 1-6. ISSN 1664302X

Emily Gunawan and Takako Utsumi and Rury Mega Wahyuni and Zayyin Dinana and Subijanto Marto Sudarmo and Ikuo Shoji and Soetjipto and Maria Inge Lusida (2019) Post-vaccinated asymptomatic rotavirus infections: A community profile study of children in Surabaya, Indonesia. Journal of Infection and Public Health, 12 (5). pp. 625-629. ISSN 18760341

Takako Utsumi and Rury Mega Wahyuni and Yen Hai Doan and Zayyin Dinana and Soegeng Soegijanto and Yoshiki Fujii and Juniastuti and Laura Navika Yamani and Chieko Matsui and Lin Deng and Takayuki Abe and Soetjipto and Maria Inge Lusida and Koji Ishii and Hiroyuki Shimizu and Kazuhiko Katayama and Ikuo Shoji (2018) Equine-like G3 rotavirus strains as predominant strains among children in Indonesia in 2015–2016. Infection, Genetics and Evolution, 61 (7). pp. 224-228. ISSN 15671348

Alfonsus Adrian Hadikusumo and Takako Utsumi and Mochammad Amin and Siti Qamariyah Khairunisa and Anittaqwa Istimagfiroh and Rury Mega Wahyuni and Maria Inge Lusida and Soetjipto and Edhi Rianto and Juniastuti and Yoshitake Hayashi (2018) High Rates of Hepatitis B Virus (HBV), Hepatitis C Virus (HCV), and Human Immunodeficiency Virus Infections and Uncommon HBV Genotype/Subtype and HCV Subtype Distributions among Transgender Individuals in Surabaya, Indonesia. Japanese Journal of Infectious Diseases, 69 (6). pp. 493-499. ISSN 13446304

Takako Utsumi and Maria Inge Lusida and Zayyin Dinana and Rury Mega Wahyuni and Laura Navika Yamani and Juniastuti and Soetjipto and Chieko Matsui and Lin Deng and Takayuki Abe and Yen Hai Doan and Yoshiki Fujii and Hirokazu Kimura and Kazuhiko Katayama and Ikuo Shoji (2017) Occurrence of norovirus infection in an asymptomatic population in Indonesia. Infection, Genetics and Evolution, 55. pp. 1-7. ISSN 15677257

Kazufumi Shimizu and Laksmi Wulandari and Emmanuel Djoko Poetranto and Retno Asih Setyoningrum and Resti Yudhawati Meliana and Amelia Sholikhah and Aldise Mareta Nastri and Anna Lystia Poetranto and Adithya Y. R. Candra and Edith Frederika Puruhito and Yusuke Takahara and Yoshiaki Yamagishi and Masaoki Yamaoka and Hak Hotta and Takako Utsumi and Maria Inge Lusida and Soetjipto and Yohko K. Shimizu and Gatot Soegiarto and Yasuko Mori (2016) Seroevidence for a High Prevalence of Subclinical Infection With Avian Influenza A(H5N1) Virus Among Workers in a Live-Poultry Market in Indonesia. The Jounal of Infectious Disease, 214 (12). pp. 1929-1936. ISSN 15376613

Laura Navika Yamani and Yoshihiko Yano and Takako Utsumi and Juniastuti and Hadi Wandono and Doddy Widjanarko and Ari Triantanoe and Widya Wasityastuti and Yujiao Liang and Rina Okada and Toshihito Tanahashi and Yoshiki Murakami and Takeshi Azuma and Soetjipto and Maria Inge Lusida and Yoshitake Hayashi (2016) Ultradeep Sequencing for Detection of Quasispecies Variants in the Major Hydrophilic Region of Hepatitis B Virus in Indonesian Patients. Journal of Clinical Microbiology, 53 (10). pp. 3165-3175. ISSN 1098660X

Takako Utsumi and Rury Mega Wahyuni and Maria Inge Lusida and Yoshihiko Yano and Nur Purba Priambada and Mochammad Amin and Priyo Budi Purwono and Anittaqwa Istimagfiroh and Soetjipto and Aurélien Brulé and Hak Hotta and Yoshitake Hayashi (2015) Full genome characterization and phylogenetic analysis of hepatitis B virus in gibbons and a caretaker in Central Kalimantan, Indonesia. Archives of Virology, 160 (3). pp. 685-692. ISSN 03048608

Yoshihiko Yano and Takako Utsumi and Maria Inge Lusida and Yoshitake Hayashi (2015) Hepatitis B virus infection in Indonesia. World Journal of Gastroenterology, 21 (38). pp. 10714-10720. ISSN 10079327

Takako Utsumi and Maria Inge Lusida (2015) Viral hepatitis and human immunodeficiency virus co-infections in Asia. World Journal of Virology, 4 (2). pp. 96-104. ISSN 22203249

Dewiyani Indah Widasari and Yoshihiko Yano and Didik Setyo Heriyanto and Takako Utsumi and Laura Navika Yamani and Hanggoro Tri Rinonce and Widya Wasityastuti and Maria Inge Lusida and Soetjipto and Rina Okada and Yoshiki Murakami and Toshihito Tanahashi and Takeshi Azuma and Yoshitake Hayashi (2014) A Deep-Sequencing Method Detects Drug-Resistant Mutations in the Hepatitis B Virus in Indonesians. Intervirology, 57. pp. 384-392. ISSN 03005526

Juniastuti and Takako Utsumi and Nasronudin and Lindawati Alimsardjono and Mochammad Amin and Myrna Adianti and Yoshihiko Yano and Soetjipto and Yoshitake Hayashi and Hak Hotta and Maria Inge Lusida (2014) High rate of seronegative HCV infection in HIV‑positive patients. Biomedical Reports, 2 (1). pp. 79-84. ISSN 20499434

Juniastuti and Bogi P. Wibowo and I. D. N. Wibawa and Takako Utsumi and Syifa Mustika and Mochammad Amin and Rury M. Wahyuni and Hendra Kurniawan and Agus Hendrayana and Poernomo Boedi Setiawan and Laura N. Yamani and Soetjipto and Yoshihiko Yano and Hak Hotta and Yoshitake Hayashi and Maria Inge Lusida (2014) Interleukin-28B Polymorphisms and Response of Chronic Hepatitis C Patients from Indonesia to Pegylated Interferon/Ribavirin Treatment. Journal of Clinical Microbiology, 52 (6). pp. 2193-2195. ISSN 1098660X

Tomohiro Kotaki and Siti Qamariyah Khairunisa and Septhia Dwi Sukartiningrum and M. Vitanata Arfijanto and Takako Utsumi and Irine Normalina and Retno Handajani and Prihartini Widiyanti and Musofa Rusli and Retno Pudji Rahayu and Maria Inge Lusida and Yoshitake Hayashi and Nasronudin and Masanori Kameoka (2013) High Prevalence of HIV-1 CRF01_AE Viruses among Female Commercial Sex Workers Residing in Surabaya, Indonesia. PLOS ONE, 8 (12). pp. 411-415. ISSN 1932-6203

Hanggoro Tri Rinonce and Yoshihiko Yano and Takako Utsumi and Didik Setyo Heriyanto and Nungki Anggorowati and Dewiyani Indah Widasari and Maria Inge Lusida and Soetjipto and Heru Prasanto and Hak Hotta and Yoshitake Hayashi (2013) Hepatitis B and C virus infection among hemodialysis patients in yogyakarta, Indonesia: Prevalence and molecular evidence for nosocomial transmission. Journal of Medical Virology, 85 (8). pp. 1348-1361. ISSN 10969071

Dewiyani Indah Widasari and Yoshihiko Yano and Takako Utsumi and Didik Setyo Heriyanto and Nungki Anggorowati and Hanggoro Tri Rinonce and Totok Utoro and Maria Inge Lusida and Soetjipto and Widya Asmara and Hak Hotta and Yoshitake Hayashi (2013) Hepatitis E virus infection in two different regions of Indonesia with identification of swine HEV genotype 3. Microbiology and Immunology, 57 (10). pp. 692-703. ISSN 03855600

Tomohiro Kotaki and Siti Qamariyah Khairunisa and Septhia Dwi Sukartiningrum and M. Vitanata Arfijanto and Takako Utsumi and Irine Normalina and Retno Handajani and Prihartini Widiyanti and Musofa Rusli and Retno Pudji Rahayu and Maria Inge Lusida and Yoshitake Hayashi and Nasronudin and Masanori Kameoka (2013) High Prevalence of HIV-1 CRF01_AE Viruses among Female Commercial Sex Workers Residing in Surabaya, Indonesia. PLOS One, 8 (12).

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Juniastuti and Takako Utsumi and Eduardus Bimo Aksono Herupradoto and Yoshihiko Yano and Soetjipto and Yoshitake Hayashi and Hak Hotta and Fedik Abdul Rantam and Hernomo Ontoseno Kusumobroto and Maria Inge Lusida (2013) Predominance of precore mutations and clinical significance of basal core promoter mutations in chronic hepatitis B virus infection in Indonesia. Biomedical Reports, 1 (4). pp. 522-528. ISSN 20499434

Edward M Putera and Dian Marcia and Itja Firdarini and Mochamad Amin and Juniastuti and Priyo Budi Purwono and Takako Utsumi and Maria Inge Lusida (2012) Hepatitis B Serology Profiles on Children Aged 1-13 Years Old in Sumenep, Madura. Indonesian Journal of Tropical and Infectious Disease, 3 (2). pp. 61-64. ISSN 2085-1103

Juniastuti and Takako Utsumi and Victor Eka Nugrahaputra and Mochammad Amin and Soetjipto and Yoshitake Hayashi and Hak Hotta and Maria Inge Lusida (2011) Another novel subgenotype of hepatitis B virus genotype C from papuans of Highland origin. Journal of medical Virology, 83. pp. 225-234. ISSN 10969071

Nasronudin and Maria Inge Lusida and Retno Handajani and Lindawati Alimsardjono and Ferry Efendi and Takako Utsumi (2011) Phylogenetic Molecular Analysis Human Immunodeficiency Virus (HIV) Patients in Surabaya, East Java. Journal of the Indonesian Medical Association, 60 (4). pp. 173-177. ISSN 13866346

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Atsushi Yamanaka and Kris Cahyo Mulyatno and Helen Susilowati and Eryk Hendrianto and Takako Utsumi and Mochamad Amin and Maria Inge Lusida and Soegeng Soegijanto and Eiji Konishi (2010) Prevalence of antibodies to Japanese encephalitis virus among pigs in Bali and East Java, Indonesia, 2008. Japanese Journal of Infectious Disease, 63 (1). pp. 58-60. ISSN 13446304

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Takako Utsumi and Yoshihiko Yano and Maria Lucia Inge Lusida and Mochammad Amin and Soetjipto and Hak Hotta and Yoshitake Hayashi (2010) Serologic and Molecular Characteristics of Hepatitis B Virus among School Children in East Java, Indonesia. The American Journal of Tropical Medicine and Hygiene, 83 (1). pp. 189-193. ISSN 00029637