Publications

Collaboration Network

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Identifying commonalities and differences between EHR representations of PASC and ME/CFS in the RECOVER EHR cohort

Communications Medicine

John P. Powers, Tomas J. McIntee, Abhishek Bhatia, Charisse R. Madlock-Brown, Jaime Seltzer, Anisha Sekar, Nita Jain, Mady Hornig, Elle Seibert, Peter J. Leese, Melissa Haendel, Richard Moffitt, Emily R. Pfaff, N3C Consortium, the RECOVER EHR Cohort

Shared symptoms and biological abnormalities between post-acute sequelae of SARS-CoV-2 infection (PASC) and myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) could …

Apr 2025 · PDF · Project

Effect of Nirmatrelvir/Ritonavir (Paxlovid) on Hospitalization among Adults with COVID-19: An EHR-Based Target Trial Emulation from N3C

PLOS Medicine

Abhishek Bhatia, Alexander J. Preiss, Xuya Xiao, M. Daniel Brannock, G. Caleb Alexander, Robert F. Chew, Megan Fitzgerald, Elaine Hill, Elizabeth P. Kelly, Hemalkumar B. Mehta, Charisse Madlock-Brown, Kenneth J. Wilkins, Christopher G. Chute, Melissa Haendel, Richard Moffitt, Emily R. Pfaff

Nirmatrelvir with ritonavir (Paxlovid) is indicated for patients with Coronavirus Disease 2019 (COVID-19) who are at risk for progression to severe disease due to the presence of …

Jan 2025 · PDF · Project

Effect of Paxlovid Treatment on Long COVID Onset: An EHR-Based Target Trial Emulation from N3C

medRxiv

Alexander Preiss, Abhishek Bhatia, Chengxi Zang, Leyna V. Aragon, John M. Baratta, Monika Baskaran, Frank Blancero, M. Daniel Brannock, Robert F. Chew, Ivan Diaz, Megan Fitzgerald, Elizabeth P. Kelly, Andrea Zhou, Mark G. Weiner, Thomas W. Carton, Fei Wang, Rainu Kaushal, Christopher G. Chute, Melissa Haendel, Richard Moffitt, Emily Pfaff, N3C Consortium, the RECOVER EHR Cohort

Preventing and treating post-acute sequelae of SARS-CoV-2 infection (PASC), commonly known as Long COVID, has become a public health priority. In this study, we examined whether …

Jan 2024 · PDF · Project

Reengineering a Machine Learning Phenotype to Adapt to the Changing COVID-19 Landscape: A Study from the N3C and RECOVER Consortia

medRxiv

Miles Crosskey, Tomas McIntee, Sandy Preiss, Daniel Brannock, Yun Jae Yoo, Emily Hadley, Frank Blancero, Rob Chew, Johanna Loomba, Abhishek Bhatia, Christopher G. Chute, Melissa Haendel, Richard Moffitt, Emily Pfaff, N3c Consortium, the RECOVER EHR Cohort

Background In 2021, we used the National COVID Cohort Collaborative (N3C) as part of the NIH RECOVER Initiative to develop a machine learning (ML) pipeline to identify patients …

Jan 2023 · PDF · Project

Geographically Skewed Recruitment and COVID-19 Seroprevalence Estimates: A Cross-Sectional Serosurveillance Study and Mathematical Modelling Analysis

BMJ Open

Tyler Brown, Pablo Martinez de Salazar Munoz, Abhishek Bhatia, Bridget Bunda, Ellen K. Williams, David Bor, James S. Miller, Amir Mohareb, Julia Thierauf, Wenxin Yang, Julian Villalba, Vivek Naranbai, Wilfredo Garcia Beltran, Tyler E. Miller, Doug Kress, Kristen Stelljes, Keith Johnson, Dan Larremore, Jochen Lennerz, A. John Iafrate, Satchit Balsari, Caroline Buckee, Yonatan Grad

Objectives Convenience sampling is an imperfect but important tool for seroprevalence studies. For COVID-19, local geographic variation in cases or vaccination can confound studies …

Jan 2023 · PDF · Project

Coding Long COVID: Characterizing a New Disease through an ICD-10 Lens

BMC Medicine

Emily R. Pfaff, Charisse Madlock-Brown, John M. Baratta, Abhishek Bhatia, Hannah Davis, Andrew Girvin, Elaine Hill, Elizabeth Kelly, Kristin Kostka, Johanna Loomba, Julie A. McMurry, Rachel Wong, Tellen D. Bennett, Richard Moffitt, Christopher G. Chute, Melissa Haendel, {The N3C Consortium}, {The RECOVER Consortium}

Naming a newly discovered disease is a difficult process; in the context of the COVID-19 pandemic and the existence of post-acute sequelae of SARS-CoV-2 infection (PASC), which …

Jan 2023 · PDF · Project

Identifying Who Has Long COVID in the USA: A Machine Learning Approach Using N3C Data

The Lancet Digital Health

Emily R. Pfaff, Andrew T. Girvin, Tellen D. Bennett, Abhishek Bhatia, Ian M. Brooks, Rachel R. Deer, Jonathan P. Dekermanjian, Sarah Elizabeth Jolley, Michael G. Kahn, Kristin Kostka, Julie A. McMurry, Richard Moffitt, Anita Walden, Christopher G. Chute, Melissa A. Haendel, Carolyn Bramante, David Dorr, Michele Morris, Ann M. Parker, Hythem Sidky, Ken Gersing, Stephanie Hong, Emily Niehaus

Jan 2022 · PDF · Project

Applying Human-Centered Design Principles to Digital Syndromic Surveillance at a Mass Gathering in India: Viewpoint

Journal of Medical Internet Research

Ahmed Shaikh, Abhishek Bhatia, Ghanshyam Yadav, Shashwat Hora, Chung Won, Mark Shankar, Aaron Heerboth, Prakash Vemulapalli, Paresh Navalkar, Kunal Oswal, Clay Heaton, Sujata Saunik, Tarun Khanna, Satchit Balsari

In the wake of the COVID-19 pandemic, digital health tools have been deployed by governments around the world to advance clinical and population health objectives. Few …

Jan 2022 · PDF · Project

Transnational Families and Technology: Trends, Impacts and Futures

Research Handbook on International Migration and Digital Technology

Jacqueline Bhabha, Abhishek Bhatia, Sam Peisch

The digital age presents a complex array of opportunities and threats for transnational families. Rapidly evolving and increasingly accessible technologies have radically reduced …

Jan 2021

Regulatory Sandboxes: A Cure for mHealth Pilotitis?

Journal of Medical Internet Research

Abhishek Bhatia, Rahul Matthan, Tarun Khanna, Satchit Balsari

Mobile health (mHealth) and related digital health interventions in the past decade have not always scaled globally as anticipated earlier despite large investments by governments …

Jan 2020 · PDF · Project

The Rohingya in Cox’s Bazar

Health and Human Rights

Abhishek Bhatia, Ayesha Mahmud, Arlan Fuller, Rebecca Shin, Azad Rahman, Tanvir Shatil, Mahmuda Sultana, K. A. M Morshed, Jennifer Leaning, Satchit Balsari

The Rohingya people of Myanmar have been subject to human rights violations through government-sponsored discrimination and violence. Since August 2017, an intensified assault by …

Jan 2018 · PDF · Project