We're working to make the world more resilient to infectious disease.

2026

• Aug 10–12: Stephen will be at the Workshop on Public Health Policy, Risk Perception, and Infectious Disease in Burlington, VT.
• Jul 22: New paper! How understanding the diversity of perspectives and systems in governments can increase the impact of scientific research in Communications Health with Liza Hadley and others.
• Jul 17: New preprint! How bursty infectiousness shapes epidemic dynamics on medRxiv.
• Jul 17: New preprint! Making inferences with incomplete epidemiological data: a proof-of-concept estimating measles vaccine coverage across Canada on medRxiv with Liza Hadley, Rachael Milwid, Valerie Hongoh, Rania Wasfi, and Irena Papst.
• May 20: New preprint! Inferring infectiousness: a joint model of the within-host viral kinetics of SARS-CoV-2 on arXiv with Christopher Boyer, Seran Hakki, Jakob Jonnerby, Ajit Lalvani, and Marc Lipsitch.
• May 15: Lucy Wilson (Applied Mathematics) has joined as a rotation student — welcome, Lucy!
• May 14: New paper! Visualizing epidemiological models for policy: design principles for effective communication in Frontiers in Public Health with Liza Hadley, Nick Holliman, Kai Xu, and others.
• May: New paper! Understanding and exploiting superspreading to disrupt Mycobacterium tuberculosis transmission in The Lancet Infectious Diseases with Tyler Brown, Kristin Nelson, and others.
• Apr 30: New paper! Integrating viral kinetics into routine outbreak surveillance: challenges, opportunities and lessons from COVID-19 in Philosophical Transactions of the Royal Society B with James Hay, Daniel Larremore, and Aishani Aatresh.
• Apr 2: New preprint! Modeling the impact of respiratory disease outbreaks on the United States agricultural workforce on medRxiv with Katherine Bardsley, Luis de Pablo, Emma Keppler Canada, Naia Ormaza Zulueta, and Zia Mehrabi.

2025

• Dec 12: New paper! Diagnostic testing as a public health intervention: challenges and opportunities in Future Virology with Kristin Nelson and Tyler Brown.
• Oct: Stephen received the Kalpana Chawla Outstanding Recent Graduate Award from the University of Colorado Alumni Association.
• Jun 5: Stephen gave a virtual talk at the European Centre for Disease Control and Prevention Modelling Perspectives meeting.
• May: New grant awarded with PI Cresten Mansfeldt: “The Watering Whole: Forming a large-scale research collaboration focusing on understanding the modern people, materials, and contaminants flowing with the One Water Cycle” (CU Boulder CRT).
• Apr 2–4: Stephen gave a talk at the University of Illinois Urbana-Champaign Department of Microbiology Colloquium.

2024

• Oct 5: Stephen gave a keynote talk at the Boettcher Foundation’s Webb-Waring Innovation Summit in Denver, CO.
• Oct 1: Welcome Liza Hadley, joining as a postdoctoral researcher!
• Sep: New paper! Surveillance strategies for the detection of new pathogen variants across epidemiological contexts in PLOS Computational Biology with Kirstin Oliveira Roster, Yonatan Grad, and others.
• Jul 24: New grant awarded with Co-PI Daniel Larremore: “Quantifying the design of effective testing-based policies through infection trajectory modeling” (NSF/CDC).
• Jul: New paper! Infectious disease surveillance needs for the United States: Lessons from COVID-19 in Frontiers in Public Health with Marc Lipsitch, Yonatan Grad, and others.
• Jun 15: Welcome Maia Richards-Dinger, PhD student working in the lab!
• May: New paper! Spatiotemporal trends in Group A Streptococcal pharyngitis in the United States in Clinical Infectious Diseases with Madeleine Kline and others.
• Mar 21: New paper! Drivers of geographic patterns in outpatient antibiotic prescribing in the United States in Clinical Infectious Diseases with Kirstin Roster (co-first author), Rachel Petherbridge, Ateev Mehrotra, Michael Barnett, and Yonatan Grad.
• Mar 14: New paper! The impact of vaccines and behavior on US cumulative deaths from COVID-19 in the Brookings Papers on Economic Activity with Andrew Atkeson. See also the writeup in CU Boulder Today.
• Jan 12: Welcome Carolyn Fulton, PhD student working in the lab!

2023

• Oct 29: New paper! Viral kinetics of sequential SARS-CoV-2 infections in Nature Communications with James Hay, Joseph Fauver, Christina Mack, and others.
• Oct 23: Stephen presented two posters at IDWeek in Boston, MA.
• Sep 30: Welcome Arindrajit Paul and Nour Rahal-Arabi, MS students working in the lab!
• Sep 19: Stephen gave a virtual talk on “Virtue in caring for the individual and caring for the collective” at the Kern National Network for Flourishing in Medicine Conference.
• Mar 27: Stephen gave a talk on introductory epidemiological modeling at the MIDAS Diversity Conference in Boston.