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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Immunology 48 4460 171 241 6761

Shunzo Chiba publications per year

The chart shows the history of publications by Shunzo Chiba between 1968 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Shunzo Chiba published across 58 years, from 1968 to 2025, averaging 5.3 papers a year. Output peaked at 27 publications in 1996. 6 of the 305 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1968 to 2025. Vertical axis: number of publications, 0 to 27. Peak 27 publications in 1996. 1968: 4 publications 1969: 1 publication 1970: 3 publications 1971: 3 publications 1972: 2 publications 1973: 4 publications 1974: 3 publications 1975: 3 publications 1976: 2 publications 1977: 3 publications 1978: 1 publication 1979: 6 publications 1980: 6 publications 1981: 4 publications 1982: 0 publications 1983: 6 publications 1984: 5 publications 1985: 5 publications 1986: 4 publications 1987: 1 publication 1988: 4 publications 1989: 5 publications 1990: 6 publications 1991: 5 publications 1992: 11 publications 1993: 15 publications 1994: 24 publications 1995: 14 publications 1996: 27 publications 1997: 26 publications 1998: 26 publications 1999: 17 publications 2000: 17 publications 2001: 15 publications 2002: 3 publications 2003: 1 publication 2004: 2 publications 2005: 0 publications 2006: 0 publications 2007: 0 publications 2008: 1 publication 2009: 1 publication 2010: 0 publications 2011: 0 publications 2012: 0 publications 2013: 0 publications 2014: 0 publications 2015: 0 publications 2016: 0 publications 2017: 0 publications 2018: 0 publications 2019: 0 publications 2020: 0 publications 2021: 0 publications 2022: 7 publications 2023: 6 publications 2024: 4 publications 2025: 2 publications
1968 2025

305 publications in total across all disciplines

View publications per year as a table
Shunzo Chiba: publications per year, 1968 to 2025
Year Publications
1968 4
1969 1
1970 3
1971 3
1972 2
1973 4
1974 3
1975 3
1976 2
1977 3
1978 1
1979 6
1980 6
1981 4
1982 0
1983 6
1984 5
1985 5
1986 4
1987 1
1988 4
1989 5
1990 6
1991 5
1992 11
1993 15
1994 24
1995 14
1996 27
1997 26
1998 26
1999 17
2000 17
2001 15
2002 3
2003 1
2004 2
2005 0
2006 0
2007 0
2008 1
2009 1
2010 0
2011 0
2012 0
2013 0
2014 0
2015 0
2016 0
2017 0
2018 0
2019 0
2020 0
2021 0
2022 7
2023 6
2024 4
2025 2
Total 305
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Shunzo Chiba 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 Shunzo Chiba sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 76 bars. Horizontal axis: publications, 62–71 to 807+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 152–161 publications. The last bar groups every scientist with 807 publications or more. The highlighted bar, 232–241 publications, is where this scientist sits. 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 scientist 807+ publications: 100 scientists
62–71 publications 807+

This scientist: 241 publications — 48th percentile

48% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Immunology scientists by publication count, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
Publications Scientists This scientist
62–71 9
72–81 23
82–91 40
92–101 72
102–111 86
112–121 108
122–131 150
132–141 160
142–151 159
152–161 189
162–171 166
172–181 181
182–191 188
192–201 187
202–211 178
212–221 158
222–231 168
232–241 159 241
242–251 160
252–261 148
262–271 116
272–281 125
282–291 115
292–301 111
302–311 95
312–321 97
322–331 97
332–341 99
342–351 96
352–361 69
362–371 76
372–381 71
382–391 71
392–401 62
402–411 54
412–421 41
422–431 63
432–441 53
442–451 31
452–461 42
462–471 40
472–481 29
482–491 34
492–501 30
502–511 23
512–521 41
522–531 29
532–541 28
542–551 16
552–561 18
562–571 18
572–581 17
582–591 17
592–601 17
602–611 19
612–621 13
622–631 12
632–641 11
642–651 16
652–661 9
662–671 5
672–681 13
682–691 12
692–701 6
702–711 6
712–721 9
722–731 9
732–741 6
742–751 11
752–761 10
762–771 7
772–781 12
782–791 7
792–801 5
802–806 1
807+ 100
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Shunzo Chiba 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 Shunzo Chiba sits on this spectrum.

No. of scientists
50 100 150 200
Bar chart with 60 bars. Horizontal axis: D-Index, 40–41 to 157+. Vertical axis: number of scientists, 0 to 201. Most scientists, 201, have 58–59 D-Index. The last bar groups every scientist with 157 D-Index or more. The highlighted bar, 48–49 D-Index, is where this scientist sits. 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
40–41 D-Index 157+

This scientist: 48 D-Index — 11th percentile

11% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Immunology scientists by D-index, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
D-Index Scientists This scientist
40–41 28
42–43 91
44–45 157
46–47 192
48–49 175 48
50–51 188
52–53 177
54–55 155
56–57 194
58–59 201
60–61 197
62–63 201
64–65 173
66–67 167
68–69 172
70–71 199
72–73 184
74–75 133
76–77 163
78–79 127
80–81 121
82–83 125
84–85 121
86–87 102
88–89 96
90–91 75
92–93 72
94–95 74
96–97 66
98–99 68
100–101 49
102–103 60
104–105 54
106–107 36
108–109 23
110–111 52
112–113 41
114–115 34
116–117 25
118–119 28
120–121 11
122–123 20
124–125 27
126–127 19
128–129 20
130–131 16
132–133 17
134–135 14
136–137 15
138–139 9
140–141 11
142–143 9
144–145 9
146–147 7
148–149 7
150–151 7
152–153 5
154–155 8
156 6
157+ 96
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Overview

Shunzo Chiba is affiliated with Sapporo Medical University in Japan and focuses primarily on medical research, with specific expertise in infectious diseases. Their research spans several interconnected fields including epidemiology, animal science and zoology, immunology, and molecular biology.

The scientist's publication record covers a range of topics related to viral infections and respiratory diseases. Their work includes extensive studies on SARS-CoV-2 and COVID-19, respiratory viral infections, viral gastroenteritis, and influenza virus research. The main research themes associated with their work are:

  • SARS-CoV-2 and COVID-19 Research
  • Respiratory viral infections research
  • SARS-CoV-2 detection and testing
  • Animal Virus Infections Studies
  • Influenza Virus Research Studies
  • COVID-19 Clinical Research Studies
  • Viral gastroenteritis research and epidemiology

Chiba has contributed to multiple frequently published venues that include:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • mBio
  • Vaccine
  • Proceedings of the National Academy of Sciences
  • PLoS Pathogens

Selected recent papers include:

  • "Syrian hamsters as a small animal model for SARS-CoV-2 infection and countermeasure development," 2020, Proceedings of the National Academy of Sciences
  • "SARS-CoV-2 D614G variant exhibits efficient replication ex vivo and transmission in vivo," 2020, Science
  • "Transmission of SARS-CoV-2 in Domestic Cats," 2020, New England Journal of Medicine
  • "Antibody titers against SARS-CoV-2 decline, but do not disappear for several months," 2021, EClinicalMedicine
  • "Transmission of SARS-CoV-2 in domestic cats imposes a narrow bottleneck," 2021, PLoS Pathogens

The scientist collaborates regularly with several coauthors, including:

  • Yoshihiro Kawaoka
  • Peter Halfmann
  • Masato Hatta
  • Tadashi Maemura
  • Kiyoko Iwatsuki-Horimoto

Best Publications

  • Protective effect of naturally acquired homotypic and heterotypic rotavirus antibodies.

    Shunzo Chiba;Shuji Nakata;Tomoko Urasawa;Shozo Urasawa

  • An outbreak of gastroenteritis associated with calicivirus in an infant home.

    Shunzo Chiba;Yasuhiko Sakuma;Ryoichi Kogasaka;Minoru Akihara

  • Human parvovirus B19 infection associated with acute hepatitis.

    Y Yoto;T Kudoh;K Haseyama;N Suzuki

  • Identification of human and bovine rotavirus serotypes by polymerase chain reaction.

    K. Taniguchi;F. Wakasugi;Y. Pongsuwanna;T. Urasawa

  • An Outbreak of Gastroenteritis Associated with Acute Rotaviral Infection in Schoolchildren

    Kazuo Matsumoto;Motoichi Hatano;Keiko Kobayashi;Ayako Hasegawa

  • Clinical severity of Norwalk virus and Sapporo virus gastroenteritis in children in Hokkaido, Japan.

    Yoshiyuki Sakai;Shuji Nakata;Shinjiro Honma;Masatoshi Tatsumi

  • Sapporo virus: history and recent findings.

    Shunzo Chiba;Shuji Nakata;Kazuko Numata-Kinoshita;Shinjiro Honma

  • OUTBREAK OF INFANTILE GASTROENTERITIS DUE TO TYPE 40 ADENOVIRUS

    Shunzo Chiba;Izumi Nakamura;Shozo Urasawa;Shuji Nakata

  • Gelatin-specific humoral and cellular immune responses in children with immediate- and nonimmediate-type reactions to live measles, mumps, rubella, and varicella vaccines ☆ ☆☆ ★

    Takuji Kumagai;Tatsuru Yamanaka;Yasuhiko Wataya;Aiko Umetsu

  • Incidence of human parvovirus B19 DNA detection in blood donors

    Yuko Yoto;Tooru Kudoh;Keiji Haseyama;Nobuhiro Suzuki

  • Survey of Human Rotavirus Serotypes in Different Locales in Japan by Enzyme-Linked Immunosorbent Assay with Monoclonal Antibodies

    Shozo Urasawa;Tomoko Urasawa;Koki Taniguchi;Fumiyo Wakasugi

  • Infant botulism due to Clostridium botulinum type C toxin.

    Keiji Oguma;Kenji Yokota;Shunji Hayashi;Koichi Takeshi

  • Members of the Family Caliciviridae (Norwalk Virus and Sapporo Virus) Are the Most Prevalent Cause of Gastroenteritis Outbreaks among Infants in Japan

    Shuji Nakata;Shinjiro Honma;Kazuko-Kinoshita Numata;Keiko Kogawa

  • Occurrence of respiratory syncytial virus subgroup A and B strains in Japan, 1980 to 1987.

    H Tsutsumi;M Onuma;K Suga;T Honjo

  • Epidemiological study of Norwalk virus infections in Japan and Southeast Asia by enzyme-linked immunosorbent assays with Norwalk virus capsid protein produced by the baculovirus expression system

    K. Numata;S. Nakata;Xi Jiang;M. K. Estes

  • Molecular characterization of morphologically typical human calicivirus Sapporo

    K. Numata;M. E. Hardy;S. Nakata;S. Chiba

  • Role of Milk Whey in the Transmission of Human Cytomegalovirus Infection by Breast Milk

    Hideomi Asanuma;Kei Numazaki;Nobuo Nagata;Tomoyuki Hotsubo

  • Respiratory syncytial virus infection of human respiratory epithelial cells enhances inducible nitric oxide synthase gene expression.

    Hiroyuki Tsutsumi;Ryoh Takeuchi;Masaya Ohsaki;Kimihira Seki

  • Prevalence of Human Calicivirus Infections in Kenya as Determined by Enzyme Immunoassays for Three Genogroups of the Virus

    Shuji Nakata;Shinjiro Honma;Kazuko Numata;Keiko Kogawa

  • Molecular characterization of a human calicivirus with sequence relationships closer to animal caliciviruses than other known human caliciviruses

    D. O. Matson;Wei-Ming Zhong;S. Nakata;K. Numata

Frequent Co-Authors

Nobuhiro Suzuki
Nobuhiro Suzuki Okayama University
Koki Taniguchi
Koki Taniguchi Fujita Health University
Mary K. Estes
Mary K. Estes Baylor College of Medicine
David O. Matson
David O. Matson Eastern Virginia Medical School
Nobumichi Kobayashi
Nobumichi Kobayashi Sapporo Medical University
Pearay L. Ogra
Pearay L. Ogra University at Buffalo, State University of New York
Kenzo Takada
Kenzo Takada Hokkaido University
Nobuhiro Fujii
Nobuhiro Fujii Sapporo Medical University
Antti Vaheri
Antti Vaheri University of Helsinki
Pekka Saikku
Pekka Saikku University of Oulu

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