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Francis Mégraud

Francis Mégraud

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 102 361 327 17 17 509 50896
Medicine 111 5251 4927 147 138 658 60900

Francis Mégraud publications per year

The chart shows the history of publications by Francis Mégraud between 1973 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Francis Mégraud published across 54 years, from 1973 to 2026, averaging 13.7 papers a year. Output peaked at 38 publications in 2023. 18 of the 739 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1973 to 2026. Vertical axis: number of publications, 0 to 38. Peak 38 publications in 2023. 1973: 1 publication 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 1 publication 1983: 0 publications 1984: 0 publications 1985: 4 publications 1986: 5 publications 1987: 5 publications 1988: 9 publications 1989: 2 publications 1990: 6 publications 1991: 2 publications 1992: 3 publications 1993: 7 publications 1994: 12 publications 1995: 13 publications 1996: 7 publications 1997: 19 publications 1998: 26 publications 1999: 25 publications 2000: 26 publications 2001: 28 publications 2002: 23 publications 2003: 26 publications 2004: 15 publications 2005: 19 publications 2006: 18 publications 2007: 35 publications 2008: 18 publications 2009: 21 publications 2010: 24 publications 2011: 26 publications 2012: 16 publications 2013: 13 publications 2014: 25 publications 2015: 22 publications 2016: 26 publications 2017: 28 publications 2018: 18 publications 2019: 20 publications 2020: 30 publications 2021: 32 publications 2022: 14 publications 2023: 38 publications 2024: 13 publications 2025: 17 publications 2026: 1 publication
1973 2026

739 publications in total across all disciplines

View publications per year as a table
Francis Mégraud: publications per year, 1973 to 2026
Year Publications
1973 1
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 1
1983 0
1984 0
1985 4
1986 5
1987 5
1988 9
1989 2
1990 6
1991 2
1992 3
1993 7
1994 12
1995 13
1996 7
1997 19
1998 26
1999 25
2000 26
2001 28
2002 23
2003 26
2004 15
2005 19
2006 18
2007 35
2008 18
2009 21
2010 24
2011 26
2012 16
2013 13
2014 25
2015 22
2016 26
2017 28
2018 18
2019 20
2020 30
2021 32
2022 14
2023 38
2024 13
2025 17
2026 1
Total 739
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Francis Mégraud publications per year - data summary

  • Francis Mégraud, a Microbiology scholar from University of Bordeaux, has 739 publications recorded across 54 years, from 1973 to 2026.
  • The oldest publication on record dates to 1973 and the most recent to 2026.
  • The most productive year is 2023, with 38 publications.
  • The least productive years with any output are 1973, 1982 and 2026, with 1 publication each.
  • 10 of the 54 years in the span carry no publications at all (1974, 1975, 1976, 1977 and others).
  • The rate of publication averages 13.7 papers per year over the whole span, or 16.8 per year counting only the 44 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 83 publications, 11% of the career total.
  • Split into equal eras - 1973-1990: 33 publications (1.8 per year); 1991-2008: 322 publications (17.9 per year); 2009-2026: 384 publications (21.3 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Francis Mégraud 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 Francis Mégraud sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 64 bars. Horizontal axis: publications, 55–64 to 679+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 135–144 publications. The last bar groups every scientist with 679 publications or more. The highlighted bar, 505–514 publications, is where this scientist sits. 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
55–64 publications 679+

This scientist: 509 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Microbiology scientists by publication count, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
Publications Scientists This scientist
55–64 8
65–74 29
75–84 55
85–94 112
95–104 137
105–114 190
115–124 235
125–134 234
135–144 288
145–154 265
155–164 264
165–174 253
175–184 276
185–194 190
195–204 234
205–214 208
215–224 198
225–234 155
235–244 161
245–254 160
255–264 146
265–274 139
275–284 148
285–294 115
295–304 96
305–314 88
315–324 106
325–334 65
335–344 76
345–354 64
355–364 62
365–374 65
375–384 61
385–394 34
395–404 44
405–414 36
415–424 35
425–434 29
435–444 33
445–454 34
455–464 25
465–474 26
475–484 20
485–494 19
495–504 16
505–514 17 509
515–524 23
525–534 14
535–544 14
545–554 18
555–564 12
565–574 7
575–584 9
585–594 9
595–604 9
605–614 7
615–624 9
625–634 7
635–644 4
645–654 5
655–664 6
665–674 7
675–678 3
679+ 99
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Francis Mégraud publication distribution in Microbiology in 2026 - data summary

  • The chart plots the publication count of all 5,513 Microbiology scientists ranked by Research.com in 2026, grouped into 64 ranges running from 55–64 to 679+ publications.
  • Francis Mégraud, a Microbiology scholar from University of Bordeaux, records 509 publications - the 95th percentile of the discipline.
  • 95% of ranked Microbiology scientists score the same or lower than Francis Mégraud, and about 5% score higher.
  • The median of the discipline falls in the 195–204 publications range, and Francis Mégraud ranks above the median.
  • The most crowded range is 135–144 publications, holding 288 scientists (5% of the field).
  • 54% of the field sits in the lowest quarter of the value range (up to 205–214 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 679 publications or more, 99 scientists in all (2% of the field).

Francis Mégraud 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 Francis Mégraud sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 88 bars. Horizontal axis: D-Index, 40 to 127+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 58 D-Index. The last bar groups every scientist with 127 D-Index or more. The highlighted bar, 102 D-Index, is where this scientist sits. 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: 102 D-Index — 94th percentile

94% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Microbiology scientists by D-index, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
D-Index Scientists This scientist
40 30
41 86
42 90
43 117
44 122
45 123
46 108
47 110
48 106
49 109
50 129
51 111
52 116
53 127
54 134
55 134
56 112
57 136
58 162
59 151
60 139
61 123
62 126
63 144
64 109
65 103
66 124
67 112
68 103
69 131
70 94
71 93
72 96
73 92
74 80
75 66
76 87
77 60
78 73
79 59
80 57
81 55
82 47
83 77
84 50
85 45
86 42
87 41
88 32
89 38
90 35
91 34
92 27
93 26
94 33
95 22
96 37
97 22
98 21
99 22
100 30
101 16
102 20 102
103 17
104 19
105 16
106 19
107 18
108 14
109 10
110 9
111 7
112 11
113 6
114 15
115 10
116 12
117 7
118 10
119 10
120 11
121 2
122 7
123 12
124 5
125 9
126 6
127+ 95
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Francis Mégraud D-index placement in Microbiology in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 5,513 Microbiology scientists ranked by Research.com in 2026, grouped into 88 ranges running from 40 to 127+ D-Index.
  • Francis Mégraud, a Microbiology scholar from University of Bordeaux, records 102 D-Index - the 94th percentile of the discipline.
  • 94% of ranked Microbiology scientists score the same or lower than Francis Mégraud, and about 6% score higher.
  • The median of the discipline falls in the 63 D-Index range, and Francis Mégraud ranks above the median.
  • The most crowded range is 58 D-Index, holding 162 scientists (3% of the field).
  • 47% of the field sits in the lowest quarter of the value range (up to 61 D-Index), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 127 D-Index or more, 95 scientists in all (2% of the field).

Overview

Francis Mégraud is affiliated with the University of Bordeaux in France and has contributed extensively to medical research, particularly in the field of gastroenterology with a strong focus on Helicobacter pylori-related studies. Their body of work encompasses a wide array of topics including gastric cancer management, gastroesophageal reflux treatments, and infectious diseases within both human and veterinary medicine.

They have published 244 papers in medicine with notable concentrations in the subfields of surgery, gastroenterology, pulmonary and respiratory medicine, small animal studies, and infectious diseases.

Main topics covered in their research include:

  • Helicobacter pylori-related gastroenterology studies
  • Gastroesophageal reflux and treatments
  • Gastric cancer management and outcomes
  • Veterinary medicine and infectious diseases
  • Eosinophilic esophagitis
  • Clostridium difficile and Clostridium perfringens research
  • Gastrointestinal disorders and treatments

Frequent coauthors collaborating with Francis Mégraud are:

  • Javier P. Gisbert (59 joint publications)
  • Olga P. Nyssen (54 joint publications)
  • Antonio Gasbarrini (35 joint publications)
  • Luís Bujanda (34 joint publications)
  • Luı́s Rodrigo (33 joint publications)

They have published regularly in specific scientific journals and venues including:

  • Helicobacter (18 publications)
  • Gastroenterología y Hepatología (14 publications)
  • Gut (10 publications)
  • Gastroenterology (7 publications)
  • Antibiotics (7 publications)

Recent significant papers authored or coauthored by Francis Mégraud include:

  • "Management of Helicobacter pylori infection: the Maastricht VI/Florence consensus report," 2022, published in Gut
  • "Screening and eradication of Helicobacter pylori for gastric cancer prevention: the Taipei global consensus," 2020, published in Gut
  • "Global Prevalence of Helicobacter pylori Infection and Incidence of Gastric Cancer Between 1980 and 2022," 2024, published in Gastroenterology
  • "Helicobacter pylori resistance to antibiotics in Europe in 2018 and its relationship to antibiotic consumption in the community," 2021, published in Gut
  • "Vonoprazan Triple and Dual Therapy for Helicobacter pylori Infection in the United States and Europe: Randomized Clinical Trial," 2022, published in Gastroenterology

Best Publications

  • Management of Helicobacter pylori infection—the Maastricht IV/ Florence Consensus Report

    Peter Malfertheiner;Francis Megraud;John Atherton;Anthony T R Axon

  • Current concepts in the management of Helicobacter pylori infection - The Maastricht III Consensus Report

    Peter Malfertheiner;Francis Megraud;Colm O'Morain;Franco Bazzoli

  • Management of Helicobacter pylori infection—the Maastricht V/Florence Consensus Report

    P. Malfertheiner;F. Mégraud;C. O'Morain;Javier Gisbert

  • Current concepts in the management of Helicobacter pylori infection--the Maastricht 2-2000 Consensus Report.

    P. Malfertheiner;F. Mégraud;C. O'Morain;A. P. S. Hungin

  • Current European concepts in the management of Helicobacter pylori infection the Maastricht Consensus Report

    P. Malfertheiner;F. Megraud;C. O'morain;D. Bell

  • H pylori antibiotic resistance: prevalence, importance, and advances in testing

    F Mégraud

  • Traces of human migrations in Helicobacter pylori populations

    Daniel Falush;Thierry Wirth;Bodo Linz;Jonathan K. Pritchard

  • Helicobacter pylori resistance to antibiotics in Europe and its relationship to antibiotic consumption

    Francis Megraud;Samuel Coenen;Ann Versporten;Manfred Kist

  • Helicobacter pylori Detection and Antimicrobial Susceptibility Testing

    Francis Mégraud;Philippe Lehours

  • Management of epithelial precancerous conditions and lesions in the stomach (MAPS II): European Society of Gastrointestinal Endoscopy (ESGE), European Helicobacter and Microbiota Study Group (EHMSG), European Society of Pathology (ESP), and Sociedade Portuguesa de Endoscopia Digestiva (SPED) guideline update 2019.

    Pedro Pimentel-Nunes;Diogo Libânio;Ricardo Marcos-Pinto;Miguel Areia

  • Seroepidemiology of Campylobacter pylori infection in various populations.

    F. Megraud;M.-P. Brassens-Rabbe;F. Denis;Aouicha Belbouri

  • Management of precancerous conditions and lesions in the stomach (MAPS): guideline from the European Society of Gastrointestinal Endoscopy (ESGE), European Helicobacter Study Group (EHSG), European Society of Pathology (ESP), and the Sociedade Portuguesa de Endoscopia Digestiva (SPED)

    M. Dinis-Ribeiro;M. Areia;A. C. de Vries;R. Marcos-Pinto

  • Complex polysaccharides as PCR inhibitors in feces: Helicobacter pylori model.

    Lurdes Monteiro;Dominique Bonnemaison;Antoine Vekris;Klaus G. Petry

  • Helicobacter pylori eradication with a capsule containing bismuth subcitrate potassium, metronidazole, and tetracycline given with omeprazole versus clarithromycin-based triple therapy: a randomised, open-label, non-inferiority, phase 3 trial.

    Peter Malfertheiner;Franco Bazzoli;Jean-Charles Delchier;Krysztof Celiñski

  • The Cohort Effect and Helicobacter pylori

    N. Banatvala;K. Mayo;F. Megraud;R. Jennings

  • Diagnosis of Helicobacter pylori infection with a new non-in vasive antigen-based assay

    Dino Vaira;Peter Malfertheiner;Francis Megraud;Anthony Tr Axon

  • The MACH2 study : Role of omeprazole in eradication of Helicobacter pylori with 1-week triple therapies

    Tore Lind;Francis Mégraud;Peter Unge;Ekkehard Bayerdörffer

  • Geographic distribution of vacA allelic types of Helicobacter pylori.

    Leen–Jan Van Doorn;Céu Figueiredo;Francis Mégraud;Salvador Pena

  • Helicobacter pylori in developing countries. World Gastroenterology Organisation Global Guideline.

    R. H. Hunt;S. D. Xiao;F. Megraud;R. Leon-Barua

  • Resistance of t(11;18) positive gastric mucosa-associated lymphoid tissue lymphoma to Helicobacter pylori eradication therapy

    Hongxiang Liu;Agnes Ruskon-Fourmestraux;Anne Lavergne-Slove;Hongtao Ye

  • Evidence-based Guidelines From ESPGHAN and NASPGHAN for Helicobacter pylori Infection in Children

    Sibylle Koletzko;Nicola L. Jones;Karen J. Goodman;Benjamin Gold

Frequent Co-Authors

Colm O'Morain
Colm O'Morain Trinity College Dublin
Javier P. Gisbert
Javier P. Gisbert Autonomous University of Madrid
Peter Malfertheiner
Peter Malfertheiner Otto-von-Guericke University Magdeburg
Pierre Dubus
Pierre Dubus University of Bordeaux
Antonio Gasbarrini
Antonio Gasbarrini Catholic University of the Sacred Heart
Martine Heyman
Martine Heyman Grenoble Alpes University
Giovanni Gasbarrini
Giovanni Gasbarrini University of Bologna
Jean-François Fléjou
Jean-François Fléjou Sorbonne University
Khean-Lee Goh
Khean-Lee Goh University of Malaya
Lars Engstrand
Lars Engstrand Karolinska Institute

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