World's Best Scientists 2026 revealed!
Kouichi Morita

Kouichi Morita

D-Index & Metrics

Immunology

D-Index
54
Citations
13086
World Ranking
3864
National Ranking
152

Kouichi Morita publication distribution in Immunology in 2026

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

62–71 publications: 9 scientists 72–81 publications: 23 scientists 82–91 publications: 40 scientists 92–101 publications: 72 scientists 102–111 publications: 86 scientists 112–121 publications: 108 scientists 122–131 publications: 150 scientists 132–141 publications: 160 scientists 142–151 publications: 159 scientists 152–161 publications: 189 scientists 162–171 publications: 166 scientists 172–181 publications: 181 scientists 182–191 publications: 188 scientists 192–201 publications: 187 scientists 202–211 publications: 178 scientists 212–221 publications: 158 scientists 222–231 publications: 168 scientists 232–241 publications: 159 scientists 242–251 publications: 160 scientists 252–261 publications: 148 scientists 262–271 publications: 116 scientists 272–281 publications: 125 scientists 282–291 publications: 115 scientists 292–301 publications: 111 scientists 302–311 publications: 95 scientists 312–321 publications: 97 scientists 322–331 publications: 97 scientists 332–341 publications: 99 scientists 342–351 publications: 96 scientists 352–361 publications: 69 scientists 362–371 publications: 76 scientists 372–381 publications: 71 scientists 382–391 publications: 71 scientists 392–401 publications: 62 scientists 402–411 publications: 54 scientists 412–421 publications: 41 scientists 422–431 publications: 63 scientists 432–441 publications: 53 scientists 442–451 publications: 31 scientists 452–461 publications: 42 scientists 462–471 publications: 40 scientists 472–481 publications: 29 scientists 482–491 publications: 34 scientists 492–501 publications: 30 scientists 502–511 publications: 23 scientists 512–521 publications: 41 scientists 522–531 publications: 29 scientists 532–541 publications: 28 scientists 542–551 publications: 16 scientists 552–561 publications: 18 scientists 562–571 publications: 18 scientists 572–581 publications: 17 scientists 582–591 publications: 17 scientists 592–601 publications: 17 scientists 602–611 publications: 19 scientists 612–621 publications: 13 scientists 622–631 publications: 12 scientists 632–641 publications: 11 scientists 642–651 publications: 16 scientists 652–661 publications: 9 scientists 662–671 publications: 5 scientists 672–681 publications: 13 scientists 682–691 publications: 12 scientists 692–701 publications: 6 scientists 702–711 publications: 6 scientists 712–721 publications: 9 scientists 722–731 publications: 9 scientists 732–741 publications: 6 scientists 742–751 publications: 11 scientists 752–761 publications: 10 scientists 762–771 publications: 7 scientists 772–781 publications: 12 scientists 782–791 publications: 7 scientists 792–801 publications: 5 scientists 802–806 publications: 1 scientists 807+ publications: 100 scientists
62 publications 807+

This scientist: 273 publications — 58th percentile

58% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 807 publications or more.

Kouichi Morita D-index placement in Immunology in 2026

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

40–41 D-Index: 28 scientists 42–43 D-Index: 91 scientists 44–45 D-Index: 157 scientists 46–47 D-Index: 192 scientists 48–49 D-Index: 175 scientists 50–51 D-Index: 188 scientists 52–53 D-Index: 177 scientists 54–55 D-Index: 155 scientists 56–57 D-Index: 194 scientists 58–59 D-Index: 201 scientists 60–61 D-Index: 197 scientists 62–63 D-Index: 201 scientists 64–65 D-Index: 173 scientists 66–67 D-Index: 167 scientists 68–69 D-Index: 172 scientists 70–71 D-Index: 199 scientists 72–73 D-Index: 184 scientists 74–75 D-Index: 133 scientists 76–77 D-Index: 163 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 125 scientists 84–85 D-Index: 121 scientists 86–87 D-Index: 102 scientists 88–89 D-Index: 96 scientists 90–91 D-Index: 75 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 74 scientists 96–97 D-Index: 66 scientists 98–99 D-Index: 68 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 60 scientists 104–105 D-Index: 54 scientists 106–107 D-Index: 36 scientists 108–109 D-Index: 23 scientists 110–111 D-Index: 52 scientists 112–113 D-Index: 41 scientists 114–115 D-Index: 34 scientists 116–117 D-Index: 25 scientists 118–119 D-Index: 28 scientists 120–121 D-Index: 11 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 19 scientists 128–129 D-Index: 20 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 17 scientists 134–135 D-Index: 14 scientists 136–137 D-Index: 15 scientists 138–139 D-Index: 9 scientists 140–141 D-Index: 11 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 9 scientists 146–147 D-Index: 7 scientists 148–149 D-Index: 7 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 5 scientists 154–155 D-Index: 8 scientists 156 D-Index: 6 scientists 157+ D-Index: 96 scientists
40 D-Index 157+

This scientist: 54 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 157 D-Index or more.

Overview

Kouichi Morita is affiliated with Nagasaki University in Japan and has contributed extensively to the field of medicine, particularly focusing on infectious diseases and public health. Their research portfolio includes 286 publications concentrated on key areas such as infectious diseases, public health, environmental and occupational health, as well as modeling and simulation. Additional interests include sociology, political science, and ecological systematics.

The scientist's work covers several main research topics, including:

  • Mosquito-borne diseases and control
  • Viral infections and vectors
  • Malaria research and control
  • SARS-CoV-2 and COVID-19 research
  • Viral infections and outbreaks research
  • COVID-19 clinical research studies
  • COVID-19 epidemiological studies

Kouichi Morita has collaborated with a number of frequent co-authors over their career. These include:

  • Mya Myat Ngwe Tun
  • Shingo Inoue
  • Meng Ling Moi
  • Basu Dev Pandey
  • Yuki Takamatsu

Regarding publication venues, Morita's research has appeared multiple times in journals such as:

  • Viruses
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Tropical Medicine and Health
  • American Journal of Tropical Medicine and Hygiene
  • Pathogens

Some of their recent published papers are:

  • The first 2019 novel coronavirus case in Nepal, 2020, The Lancet Infectious Diseases
  • Complete Genome Sequence of a 2019 Novel Coronavirus (SARS-CoV-2) Strain Isolated in Nepal, 2020, Microbiology Resource Announcements
  • Severe Acute Respiratory Syndrome Coronavirus 2 Shedding by Travelers, Vietnam, 2020, Emerging infectious diseases
  • 5-amino levulinic acid inhibits SARS-CoV-2 infection in vitro, 2021, Biochemical and Biophysical Research Communications
  • Severe Fever with Thrombocytopenia Syndrome in Cats and Its Prevalence among Veterinarian Staff Members in Nagasaki, Japan, 2021, Viruses

Best Publications

  • Loop mediated isothermal amplification (LAMP): a new generation of innovative gene amplification technique; perspectives in clinical diagnosis of infectious diseases.

    Manmohan Parida;Santhosh Sannarangaiah;Paban Kumar Dash;P. V. L. Rao

  • Real-Time Reverse Transcription Loop-Mediated Isothermal Amplification for Rapid Detection of West Nile Virus

    Manmohan Parida;Guillermo Posadas;Shingo Inoue;Futoshi Hasebe

  • Development and evaluation of a novel loop-mediated isothermal amplification method for rapid detection of severe acute respiratory syndrome coronavirus.

    Hong Thi Cam Thai;Mai Quynh Le;Cuong Duc Vuong;Manmohan Parida

  • Rapid Detection and Differentiation of Dengue Virus Serotypes by a Real-Time Reverse Transcription-Loop-Mediated Isothermal Amplification Assay

    Manmohan Parida;Kouhei Horioke;Hiroyuki Ishida;Paban Kumar Dash

  • Clathrin-dependent entry of severe acute respiratory syndrome coronavirus into target cells expressing ACE2 with the cytoplasmic tail deleted

    Yuuki Inoue;Nobuyuki Tanaka;Yoshinori Tanaka;Shingo Inoue

  • Complete nucleotide sequence of chikungunya virus and evidence for an internal polyadenylation site.

    Afjal Hossain Khan;Kouichi Morita;Maria del Carmen Parquet;Futoshi Hasebe

  • The first 2019 novel coronavirus case in Nepal.

    Anup Bastola;Ranjit Sah;Alfonso J Rodriguez-Morales;Bibek Kumar Lal

  • Prior immunization with severe acute respiratory syndrome (SARS)-associated coronavirus (SARS-CoV) nucleocapsid protein causes severe pneumonia in mice infected with SARS-CoV.

    Fumihiko Yasui;Chieko Kai;Masahiro Kitabatake;Shingo Inoue

  • Combined detection and genotyping of Chikungunya virus by a specific reverse transcription‐polymerase chain reaction

    F. Hasebe;M.C. Parquet;B.D. Pandey;E.G.M. Mathenge

  • Rapid and real-time detection of Chikungunya virus by reverse transcription loop-mediated isothermal amplification assay.

    M. M. Parida;S. R. Santhosh;P. K. Dash;N. K. Tripathi

  • Discovery of the first insect nidovirus, a missing evolutionary link in the emergence of the largest RNA virus genomes.

    Phan Thi Nga;Maria del Carmen Parquet;Chris Lauber;Manmohan Parida

  • Rapid identification of dengue virus serotypes by using polymerase chain reaction.

    K Morita;M Tanaka;A Igarashi

  • Shift in Japanese encephalitis virus (JEV) genotype circulating in northern Vietnam: implications for frequent introductions of JEV from Southeast Asia to East Asia.

    Phan Thi Nga;Maria del Carmen Parquet;Vuong Duc Cuong;Shao Ping Ma

  • Development and Evaluation of Reverse Transcription-Loop-Mediated Isothermal Amplification Assay for Rapid and Real-Time Detection of Japanese Encephalitis Virus

    M. M. Parida;S. R. Santhosh;P. K. Dash;N. K. Tripathi

  • Protective and enhancing HLA alleles, HLA-DRB1*0901 and HLA-A*24, for severe forms of dengue virus infection, dengue hemorrhagic fever and dengue shock syndrome.

    Nguyen Thi Phuong Lan;Mihoko Kikuchi;Vu Thi Que Huong;Do Quang Ha

  • Association of increased platelet-associated immunoglobulins with thrombocytopenia and the severity of disease in secondary dengue virus infections.

    M. Saito;K. Oishi;S. Inoue;E. M. Dimaano

  • Detection of West Nile and Japanese Encephalitis Viral Genome Sequences in Cerebrospinal Fluid from Acute Encephalitis Cases in Karachi, Pakistan

    Akira Igarashi;Mariko Tanaka;Kouichi Morita;Toshiaki Takasu

  • Complete Genome Sequence of a 2019 Novel Coronavirus (SARS-CoV-2) Strain Isolated in Nepal.

    Ranjit Sah;Alfonso J. Rodriguez-Morales;Runa Jha;Daniel K. W. Chu

  • West Nile virus-induced bax-dependent apoptosis.

    Maria del Carmen Parquet;Atsushi Kumatori;Futoshi Hasebe;Kouichi Morita

  • The footprint of genome architecture in the largest genome expansion in RNA viruses.

    Chris Lauber;Jelle J. Goeman;Maria del Carmen Parquet;Phan Thi Nga

Frequent Co-Authors

Michinori Kohara
Michinori Kohara Tokyo Metropolitan Institute of Medical Science
Ichiro Kurane
Ichiro Kurane National Institutes of Health
Manmohan Parida
Manmohan Parida Defence Research and Development Establishment
Hiroshi Mukae
Hiroshi Mukae Nagasaki University
Masayuki Saijo
Masayuki Saijo National Institute of Infectious Diseases, Tokyo
Kouji Matsushima
Kouji Matsushima Tokyo University of Science
Takashi Suzuki
Takashi Suzuki University of Shizuoka
Yasuo Suzuki
Yasuo Suzuki Chubu University
Alexander E. Gorbalenya
Alexander E. Gorbalenya Leiden University
Rosemary Sang
Rosemary Sang Kenya Medical Research Institute

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