Gregory L. Armstrong

13.3k total citations · 5 hit papers
61 papers, 8.7k citations indexed

About

Gregory L. Armstrong is a scholar working on Epidemiology, Hepatology and Infectious Diseases. According to data from OpenAlex, Gregory L. Armstrong has authored 61 papers receiving a total of 8.7k indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Epidemiology, 24 papers in Hepatology and 20 papers in Infectious Diseases. Recurrent topics in Gregory L. Armstrong's work include Hepatitis B Virus Studies (14 papers), Viral gastroenteritis research and epidemiology (14 papers) and Hepatitis C virus research (13 papers). Gregory L. Armstrong is often cited by papers focused on Hepatitis B Virus Studies (14 papers), Viral gastroenteritis research and epidemiology (14 papers) and Hepatitis C virus research (13 papers). Gregory L. Armstrong collaborates with scholars based in United States, Switzerland and Pakistan. Gregory L. Armstrong's co-authors include Beth P. Bell, Yvan Hutin, Joseph F. Perz, Leigh A. Farrington, Geraldine M. McQuillan, Miriam J. Alter, Annemarie Wasley, Wendi L. Kuhnert, Edgar P. Simard and J. B. Hollingsworth and has published in prestigious journals such as New England Journal of Medicine, The Lancet and JAMA.

In The Last Decade

Gregory L. Armstrong

61 papers receiving 8.3k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

The contributions of hepatitis B virus and hepatitis C virus infections to cirrhosis and primary liver cancer worldwide

2006 2.0k citations Joseph F. Perz, Gregory L. Armstrong et al. Journal of Hepatology profile →
The Prevalence of Hepatitis C Virus Infection in the United States, 1999 through 2002

2006 1.6k citations Gregory L. Armstrong, Annemarie Wasley et al. profile →
Emerging Foodborne Pathogens: Escherichia coil O157:H7 as a Model of Entry of a New Pathogen into the Food Supply of the Developed World

1996 538 citations Gregory L. Armstrong, J. B. Hollingsworth et al. Epidemiologic Reviews profile →
Trends in Infectious Disease Mortality in the United States During the 20th Century

1999 519 citations Gregory L. Armstrong JAMA profile →
Emergence of SARS-CoV-2 B.1.1.7 Lineage — United States, December 29, 2020–January 12, 2021

2021 409 citations John T. Brooks, Gregory L. Armstrong et al. MMWR Morbidity and Mortality Weekly Report profile →

Peers

Countries citing papers authored by Gregory L. Armstrong

Since Specialization

Citations

This map shows the geographic impact of Gregory L. Armstrong's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Gregory L. Armstrong with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Gregory L. Armstrong more than expected).

Fields of papers citing papers by Gregory L. Armstrong

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Gregory L. Armstrong. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Gregory L. Armstrong. The network helps show where Gregory L. Armstrong may publish in the future.

Co-authorship network of co-authors of Gregory L. Armstrong

This figure shows the co-authorship network connecting the top 25 collaborators of Gregory L. Armstrong. A scholar is included among the top collaborators of Gregory L. Armstrong based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Gregory L. Armstrong. Gregory L. Armstrong is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	Development and implementation of the Ebola Exposure Window Calculator: A tool for Ebola virus disease outbreak field investigations 2021 ·PLoS ONE ·(unknown), Nirma D. Bustamante, (unknown), Jeffrey Freeman, Amber Dismer, Walter Alarcón, Aaron Kofman, (unknown), Stuart T. Nichol, Inger K. Damon, Dana L. Haberling, Mory Keïta, (unknown), Gregory L. Armstrong, (unknown), Jason Dana, Mary J. Choi	2
2	Performance of Oropharyngeal Swab Testing Compared With Nasopharyngeal Swab Testing for Diagnosis of Coronavirus Disease 2019—United States, January 2020–February 2020 2020 ·Clinical Infectious Diseases ·Monita R. Patel, Darin S. Carroll, Emily N. Ussery, Hilary K. Whitham, Christopher A. Elkins, Judith Noble‐Wang, J. Kamile Rasheed, Xiaoyan Lu, Stephen Lindstrom, Virginia B. Bowen, Jessica L. Waller, Gregory L. Armstrong, Susan I. Gerber, John T. Brooks	40
3	The intersection of genomics and big data with public health: Opportunities for precision public health 2020 ·PLoS Medicine ·Muin J. Khoury, Gregory L. Armstrong, Rebecca Bunnell, (unknown), Michael F. Iademarco	28
4	Progress Toward Global Interruption of Wild Poliovirus Transmission, 2010-2013, and Tackling the Challenges to Complete Eradication 2014 ·The Journal of Infectious Diseases ·Steven G.F. Wassilak, M. Steven Oberste, Rudolf H. Tangermann, Ousmane M. Diop, Hamid Jafari, Gregory L. Armstrong	32
5	Clusters of Acute Respiratory Illness Associated With Human Enterovirus 68-Asia, Europe, and United States, 2008-2010 (Reprinted from MMWR, vol 60, pg 1301-1304, 2011) 2011 ·JAMA ·Tadatsugu Imamura, Akira Suzuki, Adam Meijer, Hubert G.M. Niesters, Janette Rahamat–Langendoen, (unknown), Richard L. Hodinka, Susan Coffin, Stephen M. Ostroff, Colleen S. Kraft, (unknown), Dean D. Erdman, Xiaoyan Lu, (unknown), Lauren J. Stockman, Gregory L. Armstrong, Lara M. Jacobson, Catherine Yen	14
6	Measles imported by returning U.S. travelers aged 6-23 months, 2001-2011. 2011 ·MMWR Morbidity and Mortality Weekly Report ·Noelle M. Cocoros, Jennifer Zipprich, Daniel Kuhles, Elizabeth Rausch-Phung, Claudia Schulte, Debra Blog, (unknown), Rachel Wiseman, (unknown), Chas DeBolt, Preeta K. Kutty, Susan B. Redd, Albert E. Barskey, Jennifer S. Rota, Paul A. Rota, Gregory L. Armstrong, William J. Bellini, Kathleen Gallagher, Abdirahman Mahamud	13
7	Health Care-Associated Measles Outbreak in the United States After an Importation: Challenges and Economic Impact 2011 ·The Journal of Infectious Diseases ·Shey‐Ying Chen, S. Anderson, Preeta K. Kutty, (unknown), Margaret McDonald, Paul A. Rota, Ismael R. Ortega‐Sanchez, Ken Komatsu, Gregory L. Armstrong, Rebecca Sunenshine, (unknown)	138
8	The Increasing Burden of Imported Chronic Hepatitis B — United States, 1974–2008 2011 ·PLoS ONE ·Tarissa Mitchell, Gregory L. Armstrong, Dale J. Hu, Annemarie Wasley, John A. Painter	104
9	Interim results: influenza A (H1N1) 2009 monovalent vaccination coverage - United States, October-December 2009. 2010 ·MMWR Morbidity and Mortality Weekly Report ·James A. Singleton, Tammy A. Santibanez, P.-J. Lu, Helen Ding, Gary L. Euler, Gregory L. Armstrong, Beth P. Bell, Machell Town, Lina S. Balluz	86
10	Non-Pharmaceutical Interventions during an Outbreak of 2009 Pandemic Influenza A (H1N1) Virus Infection at a Large Public University, April-May 2009 2010 ·Clinical Infectious Diseases ·Tarissa Mitchell, Deborah L. Dee, (unknown), (unknown), L. Hannah Gould, Preeta K. Kutty, Meghna Desai, Alice Guh, A. Danielle Iuliano, Paul Silverman, (unknown), Gregory L. Armstrong, David L. Swerdlow, Mehran S. Massoudi, Daniel B. Fishbein	47
11	Prevalence of Hepatitis C Virus Infection among Injection Drug Users in the United States, 1994–2004 2008 ·Clinical Infectious Diseases ·Joseph J Amon, Richard S. Garfein, (unknown), Gregory L. Armstrong, Lawrence J. Ouellet, Mary H. Latka, David Vlahov, Steffanie A. Strathdee, Sharon Hudson, Peter R. Kerndt, Don C. Des Jarlais, Ian T. Williams	142
12	Locally acquired hepatitis E virus infection, El Paso, Texas 2006 ·Journal of Medical Virology ·Joseph J Amon, Jan Drobeniuc, William A. Bower, (unknown), (unknown), Ian T. Williams, Beth P. Bell, Gregory L. Armstrong	52
13	The contributions of hepatitis B virus and hepatitis C virus infections to cirrhosis and primary liver cancer worldwide breakdown → 2006 ·Journal of Hepatology ·Joseph F. Perz, Gregory L. Armstrong, Leigh A. Farrington, Yvan Hutin, Beth P. Bell	2001
14	Trends in Self-Reported Injection Drug Use IDU in the United States 2004 ·Gregory L. Armstrong	1
15	National Seroprevalence and Trends in Herpes Simplex Virus Type 1 in the United States, 1976–1994 2004 ·Sexually Transmitted Diseases ·Julia A. Schillinger, Fujie Xu, Maya Sternberg, Gregory L. Armstrong, (unknown), André J. Nahmias, Geraldine M. McQuillan, Michael E. St. Louis, Lauri E. Markowitz	100
16	Incidence of Herpes Simplex Virus Type 2 Infection in the United States 2001 ·American Journal of Epidemiology ·Gregory L. Armstrong	94
17	Emergency vaccination against epidemic meningitis in Ghana: implications for the control of meningococcal disease in West Africa 2000 ·The Lancet ·(unknown), Gregory L. Armstrong, Samuel Oko Sackey, Christopher Tetteh, (unknown), Bradley A. Perkins, Nancy E. Rosenstein	59
18	Trends in Infectious Disease Mortality in the United States During the 20th Century breakdown → 1999 ·JAMA ·Gregory L. Armstrong	519
19	Emerging Foodborne Pathogens: Escherichia coil O157:H7 as a Model of Entry of a New Pathogen into the Food Supply of the Developed World breakdown → 1996 ·Epidemiologic Reviews ·Gregory L. Armstrong, J. B. Hollingsworth, J. Glenn Morris	538
20	Mortality in patients on liver transplant waiting lists : an avoidable tragedy 1989 ·QUT ePrints (Queensland University of Technology) ·S. V. Lynch, Glenda A. Balderson, Gregory L. Armstrong, Tat Hin Ong, D. Wall, G. J. Cleghorn, Robert P. Shepherd, M. Patrick, Paul Kerlin, Yuichi Koido, H Matsunami, R. W. Strong	2

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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