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Hirofumi Sawa

Hirofumi Sawa

D-Index & Metrics

Microbiology

D-Index
72
Citations
20476
World Ranking
1732
National Ranking
49

Hirofumi Sawa 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 Hirofumi Sawa 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: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 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: 375 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

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

Hirofumi Sawa 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 Hirofumi Sawa 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: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 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: 94 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: 72 D-Index — 69th percentile

69% of scientists in this discipline score the same or lower.

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

Overview

Hirofumi Sawa is a researcher affiliated with Hokkaido University in Japan. Their work predominantly focuses on the field of medicine, with a particular emphasis on infectious diseases and related subfields such as public health, environmental and occupational health, epidemiology, molecular biology, and virology.

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

  • SARS-CoV-2 and COVID-19 Research
  • Viral Infections and Vectors
  • Mosquito-borne diseases and control
  • Viral gastroenteritis research and epidemiology
  • COVID-19 Clinical Research Studies
  • Animal Virus Infections Studies
  • Rabies epidemiology and control

Hirofumi Sawa has contributed to numerous publications, with frequent appearances in journals such as:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Viruses
  • Pathogens
  • Scientific Reports
  • Journal of Virology

Several recent papers authored or co-authored by Sawa include:

  • "Attenuated fusogenicity and pathogenicity of SARS-CoV-2 Omicron variant," published in 2022 in Nature
  • "Discovery of S-217622, a Noncovalent Oral SARS-CoV-2 3CL Protease Inhibitor Clinical Candidate for Treating COVID-19," published in 2022 in Journal of Medicinal Chemistry
  • "Virological characteristics of the SARS-CoV-2 Omicron BA.2 spike," published in 2022 in Cell
  • "Virological characteristics of the SARS-CoV-2 XBB variant derived from recombination of two Omicron subvariants," published in 2023 in Nature Communications
  • "RIG-I triggers a signaling-abortive anti-SARS-CoV-2 defense in human lung cells," published in 2021 in Nature Immunology

The scientist has frequently collaborated with other researchers, including:

  • Michihito Sasaki
  • Yasuko Orba
  • Masahiro Kajihara
  • William W. Hall
  • Edgar Simulundu

Best Publications

  • Massive cell death of immature hematopoietic cells and neurons in Bcl-x-deficient mice

    Noboru Motoyama;Fanping Wang;Kevin A. Roth;Hirofumi Sawa

  • Transgenic expression of Helicobacter pylori CagA induces gastrointestinal and hematopoietic neoplasms in mouse

    Naomi Ohnishi;Hitomi Yuasa;Shinya Tanaka;Hirofumi Sawa

  • Discovery of S-217622, a Noncovalent Oral SARS-CoV-2 3CL Protease Inhibitor Clinical Candidate for Treating COVID-19

    Unknown

  • Attenuated fusogenicity and pathogenicity of SARS-CoV-2 Omicron variant

    Unknown

  • Gold Nanoparticles as a Vaccine Platform: Influence of Size and Shape on Immunological Responses in Vitro and in Vivo

    Kenichi Niikura;Tatsuya Matsunaga;Tadaki Suzuki;Shintaro Kobayashi

  • Chk2-deficient mice exhibit radioresistance and defective p53-mediated transcription.

    Hiroyuki Takai;Kazuhito Naka;Yuki Okada;Miho Watanabe

  • Targeted disruption of Bcl-2 alpha beta in mice: occurrence of gray hair, polycystic kidney disease, and lymphocytopenia

    K Nakayama;I Negishi;K Kuida;H Sawa

  • Virological characteristics of the SARS-CoV-2 Omicron BA.2 spike

    Unknown

  • Synthetic Double-Stranded RNA Poly(I:C) Combined with Mucosal Vaccine Protects against Influenza Virus Infection

    Takeshi Ichinohe;Izumi Watanabe;Izumi Watanabe;Satoshi Ito;Satoshi Ito;Hideki Fujii

  • Thymus-derived leukemia-lymphoma in mice transgenic for the Tax gene of human T-lymphotropic virus type I

    Hideki Hasegawa;Hirofumi Sawa;Martha J Lewis;Martha J Lewis;Yasuko Orba

  • The sphingosine-1-phosphate transporter Spns2 expressed on endothelial cells regulates lymphocyte trafficking in mice

    Shigetomo Fukuhara;Szandor Simmons;Shunsuke Kawamura;Asuka Inoue

  • Virological characteristics of the SARS-CoV-2 Omicron BA.2.75 variant

    Unknown

  • Induction of Plasminogen Activator Inhibitor Type-1 (PAI-1) by Proinsulin and Insulin In Vivo

    Thomas K. Nordt;Hirofumi Sawa;Satoshi Fujii;Burton E. Sobel

  • SARS-CoV-2 variants with mutations at the S1/S2 cleavage site are generated in vitro during propagation in TMPRSS2-deficient cells.

    Michihito Sasaki;Kentaro Uemura;Akihiko Sato;Shinsuke Toba

  • RIG-I triggers a signaling-abortive anti-SARS-CoV-2 defense in human lung cells.

    Taisho Yamada;Seiichi Sato;Yuki Sotoyama;Yasuko Orba

  • Drug-Induced Long-QT Syndrome Associated With a Subclinical SCN5A Mutation

    Naomasa Makita;Minoru Horie;Takeshi Nakamura;Tomohiko Ai

  • Analysis of transforming activity of human synovial sarcoma-associated chimeric protein SYT-SSX1 bound to chromatin remodeling factor hBRM/hSNF2α

    Makoto Nagai;Shinya Tanaka;Masumi Tsuda;Shuichi Endo

  • Forkhead Transcription Factor FoxO1 in Adipose Tissue Regulates Energy Storage and Expenditure

    Jun Nakae;Yongheng Cao;Miyo Oki;Yasuko Orba

  • CalDAG-GEFIII activation of Ras, R-Ras, and Rap1

    Shigeko Yamashita;Naoki Mochizuki;Yusuke Ohba;Minoru Tobiume

  • The Human Polyoma JC Virus Agnoprotein Acts as a Viroporin

    Tadaki Suzuki;Yasuko Orba;Yuki Okada;Yuji Sunden

  • Virological characteristics of SARS-CoV-2 BA.2 variant

    Unknown

  • Cross-Protection against H5N1 Influenza Virus Infection Is Afforded by Intranasal Inoculation with Seasonal Trivalent Inactivated Influenza Vaccine

    Takeshi Ichinohe;Shin-Ichi Tamura;Akira Kawaguchi;Akira Kawaguchi;Akira Kawaguchi;Ai Ninomiya

  • Hydrocephalus, Situs Inversus, Chronic Sinusitis, and Male Infertility in DNA Polymerase λ-Deficient Mice: Possible Implication for the Pathogenesis of Immotile Cilia Syndrome

    Yosuke Kobayashi;Miho Watanabe;Yuki Okada;Hirofumi Sawa

  • Pertussis toxin-sensitive signal controls the trafficking of thymocytes across the corticomedullary junction in the thymus.

    Gen Suzuki;Hirofumi Sawa;Yoshiyasu Kobayashi;Yukiko Nakata

  • Flavivirus Encephalitis Pathological Aspects of Mouse and Other Animal Models

    T. Kimura;M. Sasaki;M. Okumura;E. Kim

Frequent Co-Authors

Yasuko Orba
Yasuko Orba Hokkaido University
Kazuo Nagashima
Kazuo Nagashima Hokkaido University
William W. Hall
William W. Hall University College Dublin
Ayato Takada
Ayato Takada Hokkaido University
Shinya Tanaka
Shinya Tanaka Hokkaido University
Tadaki Suzuki
Tadaki Suzuki National Institutes of Health
Hideki Hasegawa
Hideki Hasegawa National Institutes of Health
Tetsutaro Sata
Tetsutaro Sata National Institute of Infectious Diseases
Chihiro Sugimoto
Chihiro Sugimoto Hokkaido University
Takeshi Kurata
Takeshi Kurata Juntendo University

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