World's Best Scientists 2026 revealed!
Shoko Okitsu

Shoko Okitsu

D-Index & Metrics

Microbiology

D-Index
49
Citations
7871
World Ranking
4591
National Ranking
187

Shoko Okitsu publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Shoko Okitsu sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 214 publications — 54th percentile

54% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

Shoko Okitsu D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Shoko Okitsu sits on this spectrum.

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 93 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 49 D-Index — 18th percentile

18% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Overview

Shoko Okitsu is affiliated with Nihon University in Japan and has made significant contributions to the field of medical virology, particularly focusing on viral gastroenteritis and infectious diseases. Their research spans several intersecting areas within medicine and agricultural and biological sciences.

The primary focus of Okitsu's research lies in the study of viral gastroenteritis, with an emphasis on viral infections and immunology, animal virus infections, and virus-based gene therapy. Additional topics covered include respiratory viral infections, hepatitis virus epidemiology, and studies related to SARS-CoV-2 and COVID-19.

Okitsu's research contributions are published in numerous scientific venues, with frequent appearances in the following journals:

  • Journal of Medical Virology
  • Journal of Infection and Public Health
  • Journal of Infection and Chemotherapy
  • International Journal of Molecular Sciences
  • Clinical Laboratory

Several recent notable publications by Okitsu include:

  • "Changing distribution of rotavirus A genotypes circulating in Japanese children with acute gastroenteritis in outpatient clinic, 2014-2020," 2022, Journal of Infection and Public Health
  • "Reverse Genetics Approach for Developing Rotavirus Vaccine Candidates Carrying VP4 and VP7 Genes Cloned from Clinical Isolates of Human Rotavirus," 2020, Journal of Virology
  • "Distribution of rotavirus genotypes in Japan from 2015 to 2018: Diversity in genotypes before and after introduction of rotavirus vaccines," 2020, Vaccine
  • "Impact of meteorological parameters and population density on variants of SARS-CoV-2 and outcome of COVID-19 pandemic in Japan," 2021, Epidemiology and Infection
  • "An increasing trend of human sapovirus infection in Japan, 2009 to 2019: An emerging public health concern," 2022, Journal of Infection and Public Health

Okitsu frequently collaborates with several co-authors, including:

  • Hiroshi Ushijima
  • Pattara Khamrin
  • Satoshi Hayakawa
  • Niwat Maneekarn
  • Sheikh Ariful Hoque

Their work encompasses several subfields including infectious diseases, cardiology and cardiovascular medicine, animal science and zoology, genetics, and epidemiology. This multidisciplinary approach supports broader efforts to understand virus epidemiology, transmission patterns, and vaccine development, especially concerning rotavirus and other gastroenteric viruses.

Best Publications

  • Detection of norovirus (GI, GII), Sapovirus and astrovirus in fecal samples using reverse transcription single-round multiplex PCR

    Hainian Yan;Fumihiro Yagyu;Shoko Okitsu;Osamu Nishio

  • Genetic diversity of norovirus and sapovirus in hospitalized infants with sporadic cases of acute gastroenteritis in Chiang Mai, Thailand

    Grant S. Hansman;Kazuhiko Katayama;Niwat Maneekarn;Supatra Peerakome

  • Genetic heterogeneity, evolution, and recombination in noroviruses

    Tung Gia Phan;Kunio Kaneshi;Yuichi Ueda;Shigekazu Nakaya

  • Diversity of viruses associated with acute gastroenteritis in children hospitalized with diarrhea in Ho Chi Minh City, Vietnam.

    Tuan Anh Nguyen;Tuan Anh Nguyen;Fumihiro Yagyu;Michio Okame;Tung Gia Phan

  • Isolation and Molecular Characterization of Aichi Viruses from Fecal Specimens Collected in Japan, Bangladesh, Thailand, and Vietnam

    Ngan Thi Kim Pham;Pattara Khamrin;Tuan Anh Nguyen;Dey Shuvra Kanti

  • Novel porcine rotavirus of genotype P[27] shares new phylogenetic lineage with G2 porcine rotavirus strain.

    Pattara Khamrin;Niwat Maneekarn;Supatra Peerakome;Wisoot Chan-it

  • Existence of multiple outbreaks of viral gastroenteritis among infants in a day care center in Japan.

    S. Akihara;T. G. Phan;T. A. Nguyen;G. Hansman

  • Changing distribution of norovirus genotypes and genetic analysis of recombinant GIIb among infants and children with diarrhea in Japan.

    Tung Gia Phan;Toshimasa Kuroiwa;Kunio Kaneshi;Yuichi Ueda

  • Molecular characterization of a rare G3P[3] human rotavirus reassortant strain reveals evidence for multiple human-animal interspecies transmissions

    Pattara Khamrin;Niwat Maneekarn;Supatra Peerakome;Fumihiro Yagyu

  • Detection of norovirus and sapovirus infection among children with gastroenteritis in Ho Chi Minh City, Vietnam

    G. S. Hansman;L. T. P. Doan;T. A. Kguyen;S. Okitsu

  • Genetic heterogeneity, evolution and recombination in emerging G9 rotaviruses.

    Tung Gia Phan;Shoko Okitsu;Niwat Maneekarn;Hiroshi Ushijima

  • Human astrovirus, norovirus (GI, GII), and sapovirus infections in Pakistani children with diarrhea.

    Tung Gia Phan;Michio Okame;Tuan Anh Nguyen;Niwat Maneekarn

  • A single-tube multiplex PCR for rapid detection in feces of 10 viruses causing diarrhea.

    Pattara Khamrin;Makiko Okame;Aksara Thongprachum;Nattika Nantachit

  • An outbreak of adenovirus serotype 41 infection in infants and children with acute gastroenteritis in Maizuru City, Japan.

    Hideaki Shimizu;Tung Gia Phan;Shuichi Nishimura;Shoko Okitsu

  • Detection and Genetic Characterization of Group A Rotavirus Strains Circulating among Children with Acute Gastroenteritis in Japan

    Tung Gia Phan;Pattara Khamrin;Trinh Duy Quang;Shuvra Kanti Dey

  • Four-year study of viruses that cause diarrhea in Japanese pediatric outpatients.

    Aksara Thongprachum;Aksara Thongprachum;Sayaka Takanashi;Angela F C Kalesaran;Angela F C Kalesaran;Shoko Okitsu;Shoko Okitsu

  • Porcine kobuvirus in piglets, Thailand.

    Pattara Khamrin;Niwat Maneekarn;Aphisek Kongkaew;Sompreeya Kongkaew

  • Emergence of human G9 rotavirus with an exceptionally high frequency in children admitted to hospital with diarrhea in Chiang Mai, Thailand

    Pattara Khamrin;Supatra Peerakome;Lumduan Wongsawasdi;Supin Tonusin

  • Molecular epidemiology of adenovirus infection among pediatric population with diarrhea in Asia.

    Lei Li;Tung Gia Phan;Tuan Anh Nguyen;Kyo Sun Kim

  • Molecular detection of kobuvirus sequences in stool samples collected from healthy pigs in Japan

    Pattara Khamrin;Niwat Maneekarn;Satoshi Hidaka;Seigo Kishikawa

Frequent Co-Authors

Hiroshi Ushijima
Hiroshi Ushijima Nihon University
Niwat Maneekarn
Niwat Maneekarn Chiang Mai University
Hiroyuki Shimizu
Hiroyuki Shimizu National Institutes of Health
Werner E. G. Müller
Werner E. G. Müller Johannes Gutenberg University of Mainz
Grant S. Hansman
Grant S. Hansman Griffith University
Tung Gia Phan
Tung Gia Phan University of Pittsburgh
Naokazu Takeda
Naokazu Takeda National Institutes of Health
Kazuhiko Katayama
Kazuhiko Katayama Kitasato University
Koki Taniguchi
Koki Taniguchi Fujita Health University
Yoshiharu Matsuura
Yoshiharu Matsuura Osaka University

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