World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
51
Citations
9044
World Ranking
4335
National Ranking
13

Mário Ramirez 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 Mário Ramirez 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: 175 publications — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Mário Ramirez 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 Mário Ramirez 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: 51 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

Overview

Mário Ramirez is affiliated with the University of Lisbon in Portugal and has contributed extensively to the field of Medicine, with a focus on Epidemiology, Public Health, and Infectious Diseases. Their research encompasses areas such as Streptococcal infections, pneumonia, respiratory viral infections, and antimicrobial resistance.

Their recent publications include studies on infectious diseases and public health issues relevant to Portugal and beyond. Selected works are:

  • Seroprevalence of anti-SARS-CoV-2 antibodies in COVID-19 patients and healthy volunteers up to 6 months post disease onset, 2020, European Journal of Immunology
  • Sustained increase of paediatric invasive Streptococcus pyogenes infections dominated by M1UK and diverse emm12 isolates, Portugal, September 2022 to May 2023, 2023, Eurosurveillance
  • Chewie Nomenclature Server (chewie-NS): a deployable nomenclature server for easy sharing of core and whole genome MLST schemas, 2020, Nucleic Acids Research
  • Continued Vaccine Breakthrough Cases of Serotype 3 Complicated Pneumonia in Vaccinated Children, Portugal (2016-2019), 2022, Microbiology Spectrum
  • Rebound of pediatric invasive pneumococcal disease in Portugal after the COVID-19 pandemic was not associated with significant serotype changes, 2024, Journal of Infection

Mário Ramirez frequently publishes in venues such as:

  • Zenodo (CERN European Organization for Nuclear Research)
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Eurosurveillance
  • Microbiology Spectrum
  • Microorganisms

Their frequent co-authors include:

  • José Melo-Cristino
  • Rafael Mamede
  • Ana Friães
  • Catarina Silva-Costa
  • Joana Gomes-Silva

Their research focuses on topics across multiple interconnected fields, including:

  • Streptococcal Infections and Treatments
  • Pneumonia and Respiratory Infections
  • Infective Endocarditis Diagnosis and Management
  • Respiratory viral infections research
  • Bacterial Identification and Susceptibility Testing
  • Antimicrobial Resistance in Staphylococcus
  • Genomics and Phylogenetic Studies

Their main fields of study are Medicine with subfields such as Epidemiology, Public Health, Environmental and Occupational Health, Infectious Diseases, Molecular Biology, and Clinical Biochemistry. Mário Ramirez's work contributes to understanding infectious disease dynamics, vaccine effectiveness, and molecular epidemiology in a clinical context.

Best Publications

  • Global optimal eBURST analysis of multilocus typing data using a graphic matroid approach

    Alexandre P Francisco;Miguel Bugalho;Mário Ramirez;João A Carriço

  • PHYLOViZ: phylogenetic inference and data visualization for sequence based typing methods

    Alexandre P Francisco;Alexandre P Francisco;Cátia Vaz;Pedro T Monteiro;Pedro T Monteiro;José Melo-Cristino

  • chewBBACA: A complete suite for gene-by-gene schema creation and strain identification.

    Mickael Silva;Miguel P. Machado;Diogo N. Silva;Mirko Rossi

  • PHYLOViZ 2.0: providing scalable data integration and visualization for multiple phylogenetic inference methods

    Marta Nascimento;Marta Nascimento;Adriano Sousa;Mário Ramirez;Alexandre P. Francisco;Alexandre P. Francisco

  • Illustration of a common framework for relating multiple typing methods by application to macrolide-resistant Streptococcus pyogenes

    J. A. Carriço;C. Silva-Costa;J. Melo-Cristino;F. R. Pinto;F. R. Pinto

  • Seroprevalence of anti-SARS-CoV-2 antibodies in COVID-19 patients and healthy volunteers up to 6 months post disease onset.

    Patrícia Figueiredo‐Campos;Birte Blankenhaus;Catarina Mota;Andreia Gomes

  • Serotyping Streptococcus pneumoniae by Multiplex PCR

    D. A. Brito;M. Ramirez;H. de Lencastre;H. de Lencastre

  • Adjusted Wallace Coefficient as a Measure of Congruence between Typing Methods

    Ana Severiano;Francisco R. Pinto;Mário Ramirez;João A. Carriço

  • Prophage Spontaneous Activation Promotes DNA Release Enhancing Biofilm Formation in Streptococcus pneumoniae

    Margarida Carrolo;Maria João Frias;Francisco Rodrigues Pinto;José Melo-Cristino

  • PHYLOViZ Online: web-based tool for visualization, phylogenetic inference, analysis and sharing of minimum spanning trees.

    Bruno Ribeiro-Gonçalves;Alexandre P. Francisco;Cátia Vaz;Mário Ramirez

  • Capsular Transformation of a Multidrug-Resistant Streptococcus pneumoniae In Vivo

    Mirjana Nesin;Mario Ramirez;Alexander Tomasz

  • Analysis of Typing Methods for Epidemiological Surveillance of both Methicillin-Resistant and Methicillin-Susceptible Staphylococcus aureus Strains

    Nuno A. Faria;João A. Carrico;Duarte C. Oliveira;Mário Ramirez

  • First case of infection with vancomycin-resistant Staphylococcus aureus in Europe.

    José Melo-Cristino;Cristina Resina;Viviana Manuel;Luís Lito

  • Evidence for the geographic spread of a methicillin-resistant Staphylococcus aureus clone between Portugal and Spain.

    I S Sanches;M Ramirez;H Troni;M Abecassis

  • Analysis of Invasiveness of Pneumococcal Serotypes and Clones Circulating in Portugal before Widespread Use of Conjugate Vaccines Reveals Heterogeneous Behavior of Clones Expressing the Same Serotype

    Raquel Sá-Leão;Francisco Pinto;Sandra Aguiar;Sónia Nunes

  • Structural change in wood by brown rot fungi and effect on enzymatic hydrolysis

    Mariel Monrroy;Isidora Ortega;Mario Ramírez;Jaime Baeza

  • The presence of the pilus locus is a clonal property among pneumococcal invasive isolates.

    Sandra I Aguiar;Isa Serrano;Francisco R Pinto;José Melo-Cristino

  • Analysis of Group B Streptococcal Isolates from Infants and Pregnant Women in Portugal Revealing Two Lineages with Enhanced Invasiveness

    E. R. Martins;M. A. Pessanha;M. Ramirez;J. Melo-Cristino

  • A high incidence of prophage carriage among natural isolates of Streptococcus pneumoniae.

    Mario Ramirez;Elena Severina;Alexander Tomasz

  • A confidence interval for the wallace coefficient of concordance and its application to microbial typing methods.

    Francisco R. Pinto;Francisco R. Pinto;José Melo-Cristino;Mário Ramirez

  • Changes in Streptococcus pneumoniae serotypes causing invasive disease with non-universal vaccination coverage of the seven-valent conjugate vaccine.

    S.I. Aguiar;I. Serrano;F.R. Pinto;J. Melo-Cristino

Frequent Co-Authors

José Melo-Cristino
José Melo-Cristino University of Lisbon
Alexander Tomasz
Alexander Tomasz Rockefeller University
Hermínia de Lencastre
Hermínia de Lencastre Rockefeller University
John W. A. Rossen
John W. A. Rossen University Medical Center Groningen
Lothar H. Wieler
Lothar H. Wieler Hasso Plattner Institute
Alexander W. Friedrich
Alexander W. Friedrich University Medical Center Groningen
Marc Veldhoen
Marc Veldhoen University of Lisbon
Carmen Ardanuy
Carmen Ardanuy Bellvitge University Hospital
Karl G. Kristinsson
Karl G. Kristinsson University of Iceland
Eduardo P. C. Rocha
Eduardo P. C. Rocha Institut Pasteur

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Related Online Degrees & Career Pathways

Pursuing a degree in Microbiology opens the door to various interdisciplinary career paths, especially within healthcare and information management. For students interested in combining biology with data and administration, exploring a health information management job description and salary can provide valuable insight into a growing field focused on managing patient data and healthcare systems efficiently.

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For those interested in more specialized certifications, accelerated options like the accelerated medical billing and coding certificate online offer a fast track into the medical billing sector, a critical component of healthcare administration that complements microbiology knowledge.

If you are exploring broader opportunities, it’s helpful to review the range of online healthcare degrees available. These programs cater to various interests, from clinical roles to health technology, enabling students to tailor their education to evolving industry demands.

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