World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
84
Citations
36898
World Ranking
904
National Ranking
22

Medicine

D-Index
96
Citations
43204
World Ranking
9529
National Ranking
376

Research.com Recognitions

  • 2020 - Fellow of the Royal Society of Canada Academy of Science

Overview

Mark Loeb is affiliated with McMaster University in Canada and has a research focus centered on medicine, particularly in infectious diseases, epidemiology, and pulmonary and respiratory medicine. Their work extensively covers the study of viral infections and respiratory conditions, with notable attention to SARS-CoV-2 and COVID-19.

Loeb has contributed to a significant number of publications, with their research appearing frequently in journals such as Clinical Infectious Diseases, Open Forum Infectious Diseases, Vaccine, Clinical Microbiology and Infection, and bioRxiv (Cold Spring Harbor Laboratory).

The scientist has collaborated regularly with several co-authors, including Dominik Mertz, Allison McGeer, Melissa K. Andrew, Shelly McNeil, and Chris P. Verschoor. These collaborations reflect a network of professionals active in infectious diseases research and related fields.

The main research topics covered by Mark Loeb include:

  • SARS-CoV-2 and COVID-19 Research
  • COVID-19 Clinical Research Studies
  • Respiratory viral infections research
  • Influenza Virus Research Studies
  • Pneumonia and Respiratory Infections
  • COVID-19 and healthcare impacts
  • Infection Control and Ventilation

Loeb's work extends to subfields such as infectious diseases, epidemiology, pulmonary and respiratory medicine, oncology, and immunology, illustrating a broad engagement with medical science.

Their recent notable papers include:

  • Physical distancing, face masks, and eye protection to prevent person-to-person transmission of SARS-CoV-2 and COVID-19: a systematic review and meta-analysis, 2020, The Lancet
  • Surviving Sepsis Campaign: guidelines on the management of critically ill adults with Coronavirus Disease 2019 (COVID-19), 2020, Intensive Care Medicine
  • Surviving Sepsis Campaign: Guidelines on the Management of Critically Ill Adults with Coronavirus Disease 2019 (COVID-19), 2020, Critical Care Medicine
  • Drug treatments for covid-19: living systematic review and network meta-analysis, 2020, BMJ
  • Clinical Course and Molecular Viral Shedding Among Asymptomatic and Symptomatic Patients With SARS-CoV-2 Infection in a Community Treatment Center in the Republic of Korea, 2020, JAMA Internal Medicine

In recognition of their contributions to science, Mark Loeb was named a Fellow of the Royal Society of Canada in 2020 by the Academy of Science.

Best Publications

  • Surviving Sepsis Campaign: Guidelines on the Management of Critically Ill Adults with Coronavirus Disease 2019 (COVID-19).

    Waleed Alhazzani;Morten Hylander Møller;Yaseen M. Arabi;Mark Loeb

  • Physical distancing, face masks, and eye protection to prevent person-to-person transmission of SARS-CoV-2 and COVID-19: a systematic review and meta-analysis.

    Derek K Chu;Elie A Akl;Elie A Akl;Stephanie Duda;Karla Solo

  • Newcastle-Ottawa Scale: comparing reviewers’ to authors’ assessments

    Carson Ka-Lok Lo;Dominik Mertz;Mark Loeb

  • Drug treatments for covid-19: living systematic review and network meta-analysis.

    Reed Ac Siemieniuk;Jessica J Bartoszko;Long Ge;Dena Zeraatkar

  • Aging, frailty and age-related diseases

    T. Fulop;A. Larbi;A. Larbi;J. M. Witkowski;J. McElhaney;J. McElhaney

  • Populations at risk for severe or complicated influenza illness: systematic review and meta-analysis

    Dominik Mertz;Tae Hyong Kim;Jennie Johnstone;Po-Po Lam;Po-Po Lam

  • Surgical mask vs N95 respirator for preventing influenza among health care workers: a randomized trial.

    Mark Loeb;Nancy Dafoe;James Mahony;Michael John

  • Clinical Course and Molecular Viral Shedding Among Asymptomatic and Symptomatic Patients With SARS-CoV-2 Infection in a Community Treatment Center in the Republic of Korea.

    Seungjae Lee;Tark Kim;Eunjung Lee;Cheolgu Lee

  • Medical masks vs N95 respirators for preventing COVID-19 in healthcare workers: A systematic review and meta-analysis of randomized trials.

    Jessica J. Bartoszko;Mohammed Abdul Malik Farooqi;Waleed Alhazzani;Mark Loeb

  • SARS among critical care nurses, Toronto.

    Mark Loeb;Allison McGeer;Bonnie Henry;Marianna Ofner

  • Probiotics for the Prevention of Clostridium difficile–Associated Diarrhea: A Systematic Review and Meta-analysis

    Bradley C Johnston;Stephanie S Y Ma;Joshua Z Goldenberg;Kristian Thorlund

  • Development of Minimum Criteria for the Initiation of Antibiotics in Residents of Long-Term–Care Facilities: Results of a Consensus Conference

    Mark Loeb;David W. Bentley;Suzanne Bradley;Kent Crossley

  • Vitamin D supplementation to prevent acute respiratory infections: a systematic review and meta-analysis of aggregate data from randomised controlled trials.

    David A Jolliffe;Carlos A Camargo;John D Sluyter;Mary Aglipay

  • Effect of Influenza Vaccination of Children on Infection Rates in Hutterite Communities: A Randomized Trial

    Mark Loeb;Margaret L. Russell;Lorraine Moss;Kevin Fonseca

  • Risk factors for pneumonia and other lower respiratory tract infections in elderly residents of long-term care facilities.

    Mark Loeb;Allison McGeer;Margaret McArthur;Stephen Walter

  • Comparing influenza vaccine efficacy against mismatched and matched strains: a systematic review and meta-analysis

    Andrea C Tricco;Ayman Chit;Ayman Chit;Charlene Soobiah;David Hallett

  • Functional role of M2 and M3 muscarinic receptors in the urinary bladder of rats in vitro and in vivo

    S. S. Hegde;A. Choppin;D. Bonhaus;S. Briaud

  • Corticosteroid Therapy for Patients Hospitalized With Community-Acquired Pneumonia: A Systematic Review and Meta-analysis.

    Reed A.C. Siemieniuk;Maureen O. Meade;Pablo Alonso-Coello;Matthias Briel

  • Interferon-Mediated Immunopathological Events Are Associated with Atypical Innate and Adaptive Immune Responses in Patients with Severe Acute Respiratory Syndrome

    Mark J. Cameron;Longsi Ran;Luoling Xu;Ali Danesh

  • Surviving Sepsis Campaign Guidelines on the Management of Adults With Coronavirus Disease 2019 (COVID-19) in the ICU: First Update.

    Waleed Alhazzani;Laura Evans;Fayez Alshamsi;Morten Hylander Møller

  • Surgical Mask vs N95 Respirator for Preventing Influenza Among Health Care Workers

    Mark Loeb;Nancy Dafoe;James Mahony;Michael John

Frequent Co-Authors

Allison McGeer
Allison McGeer University of Toronto
Andrew E. Simor
Andrew E. Simor Sunnybrook Health Science Centre
Stephen D. Walter
Stephen D. Walter McMaster University
Shelly A. McNeil
Shelly A. McNeil Dalhousie University
Marek Smieja
Marek Smieja McMaster University
Janet E. McElhaney
Janet E. McElhaney Health Sciences North
Guy Boivin
Guy Boivin Université Laval
Jonathan L. Bramson
Jonathan L. Bramson McMaster University
Dawn M. E. Bowdish
Dawn M. E. Bowdish McMaster University
Tony Mazzulli
Tony Mazzulli University Health Network

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