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 Katherine L. O’Brien sits on this spectrum.
This scientist: 278 publications — 73rd percentile
73% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 679 publications or more.
The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Katherine L. O’Brien sits on this spectrum.
This scientist: 91 D-Index — 89th percentile
89% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 127 D-Index or more.
Katherine L. O'Brien is affiliated with Johns Hopkins University in the United States. Their research focuses extensively on medicine, with particular emphasis on epidemiology, infectious diseases, health, pulmonary and respiratory medicine, and public health, environmental and occupational health.
The scientist's main topics of study include pneumonia and respiratory infections, respiratory viral infections research, vaccine coverage and hesitancy, influenza virus research studies, Pneumocystis jirovecii pneumonia detection and treatment, SARS-CoV-2 and COVID-19 research, and bacterial infections and vaccines.
O'Brien has published significantly in several venues, with frequent publications appearing in:
Recent papers authored or co-authored by O'Brien include:
Frequent co-authors of O'Brien include:
Harish Nair;Harish Nair;D James Nokes;D James Nokes;Bradford D. Gessner;Mukesh K Dherani
Katherine L O'Brien;Lara J Wolfson;James P Watt;Emily Henkle
Ting Shi;David A. McAllister;Katherine L. O'Brien;Eric A. F. Simoes
Christa L Fischer Walker;Igor Rudan;Li Liu;Harish Nair;Harish Nair
Timo Vesikari;David O Matson;Penelope Dennehy;Pierre Van Damme
M Voysey;S A Costa Clemens;S A Madhi;L Y Weckx
Brian Wahl;Katherine L O'Brien;Adena Greenbaum;Anwesha Majumder
Katherine L. O'Brien;Henry C. Baggett;W. Abdullah Brooks;Daniel R. Feikin
Thomas Cherian;E. Kim Mulholland;John B. Carlin;Harald Ostensen
Birgit Simell;Kari Auranen;Helena Käyhty;David Goldblatt
Igor Rudan;Katherine L. O’Brien;Harish Nair;Li Liu
Hope L. Johnson;Maria Deloria-Knoll;Orin S. Levine;Sonia K. Stoszek
James P. Watt;Lara J. Wolfson;Katherine L O'Brien;Emily Henkle
Catherine Satzke;Catherine Satzke;Paul Turner;Paul Turner;Anni Virolainen-Julkunen;Peter V. Adrian
Katherine L O'Brien;Lawrence H Moulton;Raymond Reid;Robert Weatherholtz
Daniel R. Feikin;Eunice W. Kagucia;Jennifer D. Loo;Ruth Link-Gelles
Unknown
Katherine L O'Brien;Hanna Nohynek;Hanna Nohynek
Xin Wang;You Li;Katherine L. O'Brien;Shabir A. Madhi
Katherine L O'Brien;Bernard Beall;Nancy L Barrett;Paul R Cieslak
Katherine L. O'brien;Orin S. Levine;Cynthia G. Whitney;Tamar Pilishvili
Birgit Simell;Kari Auranen;Helena Kayhty;David Goldblatt
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Online education makes advanced degrees more accessible, especially for individuals overcoming challenges. Programs like the ones highlighted under online degrees for felons demonstrate how many institutions offer flexible options for non-traditional students seeking new careers, including fields related to healthcare and science.
For those interested in clinical practice with a focus on holistic care, functional medicine NP programs offer a route to become nurse practitioners integrating microbiology, patient health, and functional medicine principles. These programs often have tailored online and hybrid formats ideal for working professionals.
Additionally, careers such as a certified professional coder offer opportunities in healthcare administration and billing, requiring precise knowledge of medical terminology and coding systems. This is an excellent path for students who want to utilize their microbiology knowledge in healthcare operations.
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