World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
76
Citations
18555
World Ranking
1436
National Ranking
628

Medicine

D-Index
76
Citations
18797
World Ranking
18879
National Ranking
9410

Ray Y Hachem 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 Ray Y Hachem 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: 258 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

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

Ray Y Hachem 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 Ray Y Hachem 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: 76 D-Index — 75th percentile

75% of scientists in this discipline score the same or lower.

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

Overview

Ray Y Hachem is affiliated with The University of Texas MD Anderson Cancer Center in the United States and has a research focus primarily in the field of Medicine, with a significant number of publications in Oncology, Infectious Diseases, and Epidemiology. Their work spans several specialized subfields including Clinical Biochemistry and Molecular Medicine.

Their research topics cover a range of areas including neutropenia and cancer infections, antifungal resistance and susceptibility, COVID-19 clinical research studies, and the healthcare impacts related to COVID-19. Other main topics include bacterial identification and susceptibility testing, fungal infections and studies, and sepsis diagnosis and treatment.

  • Neutropenia and Cancer Infections
  • Antifungal resistance and susceptibility
  • COVID-19 Clinical Research Studies
  • COVID-19 and healthcare impacts
  • Bacterial Identification and Susceptibility Testing
  • Fungal Infections and Studies
  • Sepsis Diagnosis and Treatment

Ray Y Hachem has published extensively in venues such as Open Forum Infectious Diseases, Journal of Fungi, eLife, Cancers, and bioRxiv (Cold Spring Harbor Laboratory). Open Forum Infectious Diseases is the most frequent venue, reflecting a strong focus on infectious diseases in clinical contexts.

  • Open Forum Infectious Diseases
  • Journal of Fungi
  • eLife
  • Cancers
  • bioRxiv (Cold Spring Harbor Laboratory)

Frequent collaborators in their research include Issam Raad, Anne-Marie Chaftari, Hiba Dagher, Ying Jiang, and Patrick Chaftari, indicating a collaborative network of scientists working primarily in oncology and infectious disease fields.

  • Issam Raad
  • Anne-Marie Chaftari
  • Hiba Dagher
  • Ying Jiang
  • Patrick Chaftari

Among the recent publications by Ray Y Hachem, several notable papers address COVID-19 and fungal infections in cancer patients:

  • Long COVID in cancer patients: preponderance of symptoms in majority of patients over long time period, 2023, eLife
  • Real-World Use of Isavuconazole as Primary Therapy for Invasive Fungal Infections in High-Risk Patients with Hematologic Malignancy or Stem Cell Transplant, 2022, Journal of Fungi
  • Comparing the Real-World Use of Isavuconazole to Other Anti-Fungal Therapy for Invasive Fungal Infections in Patients with and without Underlying Disparities: A Multi-Center Retrospective Study, 2023, Journal of Fungi
  • International multicenter study comparing COVID-19 in patients with cancer to patients without cancer: Impact of risk factors and treatment modalities on survivorship, 2023, eLife
  • The role of procalcitonin in identifying high-risk cancer patients with febrile neutropenia: A useful alternative to the multinational association for supportive care in cancer score, 2021, Cancer Medicine

Best Publications

  • A comparison of two antimicrobial-impregnated central venous catheters

    Rabih O. Darouiche;Issam I Raad;Stephen O. Heard;John I. Thornby

  • Treatment of invasive aspergillosis with posaconazole in patients who are refractory to or intolerant of conventional therapy: An externally controlled trial

    Thomas J. Walsh;Issam Raad;Thomas F. Patterson;Pranatharthi Chandrasekar

  • Central Venous Catheters Coated with Minocycline and Rifampin for the Prevention of Catheter-Related Colonization and Bloodstream Infections: A Randomized, Double-Blind Trial

    Issam Raad;Rabih Darouiche;Jacques Dupuis;Dima Abi-Said

  • Comparative activities of daptomycin, linezolid, and tigecycline against catheter-related methicillin-resistant Staphylococcus bacteremic isolates embedded in biofilm

    Issam Raad;Hend Hanna;Ying Jiang;Tanya Dvorak

  • The changing epidemiology of invasive candidiasis: Candida glabrata and Candida krusei as the leading causes of candidemia in hematologic malignancy

    Ray Hachem;Hend Hanna;Dimitrios Kontoyiannis;Ying Jiang

  • Posaconazole as Salvage Treatment for Invasive Fusariosis in Patients with Underlying Hematologic Malignancy and Other Conditions

    Issam I. Raad;Ray Y. Hachem;Raoul Herbrecht;John R. Graybill

  • Efficacy and toxicity of caspofungin in combination with liposomal amphotericin B as primary or salvage treatment of invasive aspergillosis in patients with hematologic malignancies

    Dimitrios P Kontoyiannis;Ray Y Hachem;Russell E. Lewis;Gustavo A. Rivero

  • Pharmacokinetics, Safety, and Efficacy of Posaconazole in Patients with Persistent Febrile Neutropenia or Refractory Invasive Fungal Infection

    A. J. Ullmann;O. A. Cornely;A. Burchardt;R. Hachem

  • Posaconazole: a broad-spectrum triazole antifungal

    Harrys A Torres;Ray Y Hachem;Roy F Chemaly;Dimitrios P Kontoyiannis

  • Candidemia in patients with hematologic malignancies in the era of new antifungal agents (2001-2007): stable incidence but changing epidemiology of a still frequently lethal infection.

    Nikolaos V. Sipsas;Russell E. Lewis;Jeffrey Tarrand;Ray Hachem

  • The Broad-Spectrum Activity and Efficacy of Catheters Coated with Minocycline and Rifampin

    Issam Raad;Rabih Darouiche;Ray Hachem;Mohammad Mansouri

  • Efficacy and Safety of Weekly Dalbavancin Therapy for Catheter-Related Bloodstream Infection Caused by Gram-Positive Pathogens

    Issam Raad;Rabih Darouiche;Jose Vazquez;Arnold Lentnek

  • Antibiotics and prevention of microbial colonization of catheters.

    Issam I Raad;R. Darouiche;Ray Y Hachem;M. Sacilowski

  • The epidemiology of Candida glabrata and Candida albicans fungemia in immunocompromised patients with cancer

    Gerald P Bodey;Masoud Mardani;Hend A Hanna;Maha Boktour

  • Utility of Galactomannan Enzyme Immunoassay and (1,3) β-d-Glucan in Diagnosis of Invasive Fungal Infections: Low Sensitivity for Aspergillus fumigatus Infection in Hematologic Malignancy Patients

    R. Y. Hachem;D. P. Kontoyiannis;R. F. Chemaly;Y. Jiang

  • Central Venous Catheters Coated with Minocycline and Rifampin for the Prevention of Catheter-Related Colonization and Bloodstream Infections

    Issam Raad;Rabih Darouiche;Jacques Dupuis;Dima Abi-Said

  • In Vitro and Ex Vivo Activities of Minocycline and EDTA against Microorganisms Embedded in Biofilm on Catheter Surfaces

    Issam Raad;Ioannis Chatzinikolaou;Gassan Chaiban;Hend Hanna

  • Management of central venous catheters in patients with cancer and candidemia.

    Issam Raad;Hend Hanna;Maha Boktour;Essam Girgawy

  • Candida krusei fungemia. An escalating serious infection in immunocompromised patients.

    Jalal Abbas;Gerald P. Bodey;Hend A. Hanna;Masoud Mardani

  • Risk Factors for Candida tropicalis Fungemia in Patients with Cancer

    Dimitrios P. Kontoyiannis;Irfan Vaziri;Hend A. Hanna;Maha Boktour

Frequent Co-Authors

Issam I Raad
Issam I Raad The University of Texas MD Anderson Cancer Center
Dimitrios P. Kontoyiannis
Dimitrios P. Kontoyiannis The University of Texas MD Anderson Cancer Center
Gerald P. Bodey
Gerald P. Bodey The University of Texas MD Anderson Cancer Center
Jeffrey J Tarrand
Jeffrey J Tarrand The University of Texas MD Anderson Cancer Center
Kenneth V. I. Rolston
Kenneth V. I. Rolston The University of Texas MD Anderson Cancer Center
Rabih O. Darouiche
Rabih O. Darouiche Baylor College of Medicine
Hagop M. Kantarjian
Hagop M. Kantarjian The University of Texas MD Anderson Cancer Center
Cesar A. Arias
Cesar A. Arias The University of Texas Health Science Center at Houston
Mahmoud A. Ghannoum
Mahmoud A. Ghannoum Case Western Reserve University
Russell E. Lewis
Russell E. Lewis University of Padua

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For students interested in microbiology, exploring related online degrees can open up diverse career opportunities. One promising option is a degree in Health Information Management, which combines healthcare knowledge with data management skills. Understanding the health information management degree salary reveals the financial benefits of this growing field.

Choosing the right program is crucial, and students often seek the best online cahiim accredited health information management degree programs to ensure quality education and accreditation. These programs emphasize accurate data handling and healthcare compliance, skills highly valued across the medical industry.

Those looking for quicker entry into healthcare administration might consider a online medical billing and coding certificate fast program. This path allows students to gain credentials swiftly and start working in essential hospital and clinic billing roles.

Finally, many students wonder about other options beyond traditional routes. Exploring online medical degrees can help microbiology graduates expand their knowledge and career flexibility, offering pathways into fields like nursing, public health, or clinical research.

Best Scientists Citing Ray Y Hachem

Trending Scientists

Recently Published Articles