News
2026-04-28
New paper led by Neel Gandhi in the American Journal of Respiratory and Critical Care Medicine: Role of Casual Contact in Drug-Resistant Tuberculosis Transmission: A Molecular Epidemiology Study. Using whole-genome sequencing of second-line drug-resistant TB in KwaZulu-Natal, South Africa, casual contact in community locations accounted for roughly half of transmission among genotypic clusters.
2026-04-15
New paper led by Michael Traeger in JAIDS: Long-Acting Injectable Cabotegravir HIV PrEP Uptake, Adherence, and Persistence in Two Large US Integrated Healthcare Systems.
2026-03-01
New paper led by Emeli Anderson in AIDS and Behavior: Predictive Models to Identify Factors Associated with a High One-Time Sexual Partnership Rate among U.S. Men Who Have Sex with Men.
2026-02-01
New industry-funded study: Monthly HIV Pre-Exposure Prophylaxis Preferences among U.S. Men Who Have Sex with Men (Merck & Co.). Modeling the population-impact of a monthly HIV PrEP formulation within the daily oral and injectable landscape.
2026-01-15
New paper led by Kristin Harrington in Public Health: The Application of Social Network Analysis to Examine COVID-19 Contact Tracing Networks in a University Setting.
2025-10-15
New paper led by Kristin Nelson in Nature Communications: Characterizing Social Behavior Relevant for Infectious Disease Transmission in Four Low- and Middle-Income Countries, 2021-2023.
2025-08-12
New paper led by Jeb Jones in JAIDS: Randomized Controlled Trial of a HIV Prevention App to Increase Pre-exposure Prophylaxis Uptake among Gay and Bisexual Men Who Have Sex with Men in the United States: The HealthMindr PrEP Study. The intervention app increased the rate of PrEP initiation relative to a control app, with the strongest effect among men with PrEP indications at baseline.
2025-07-01
New paper led by Udodirim Onwubiko in Sexually Transmitted Diseases: Optimizing HIV Partner Services for Gay, Bisexual and Other Men Who Have Sex with Men Previously Diagnosed with HIV: A Modeling Study.
2025-06-15
New paper led by Udodirim Onwubiko in JAIDS: Impact of Depression at HIV PrEP Initiation on Sustained PrEP Care Engagement among US Gay and Bisexual Men.
2025-05-15
New paper led by L.R. Violette in JAMA Network Open: Support for Over-the-Counter HIV Preexposure Prophylaxis among Transfeminine People.
2025-04-20
New paper led by Karina Wallrafen-Sam in Epidemics: Modelling the Interplay Between Responsive Individual Vaccination Decisions and the Spread of SARS-CoV-2.
2025-04-01
New paper led by Carol Liu in Epidemics: The Effect of COVID-19 Vaccination on Change in Contact and Implications for Transmission.
2025-02-15
New paper led by Isaac Schneider in Infectious Disease Modelling: Interventions for SARS-CoV-2 Prevention among Jailed Adults: A Network-Based Modeling Analysis.
2025-01-15
New paper led by Michael Traeger in JAMA Internal Medicine: Doxycycline Postexposure Prophylaxis and Bacterial Sexually Transmitted Infections among Individuals Using HIV Preexposure Prophylaxis. A real-world cohort study of doxy-PEP uptake and bacterial STI incidence among PrEP users, complementing our earlier modeling of doxy-PEP prescribing strategies.
2024-11-15
New paper in Epidemics: Dynamic Contact Networks of Residents of an Urban Jail in the Era of SARS-CoV-2.
2024-10-15
New paper led by Udodirim Onwubiko in Social Science & Medicine: Individual and Joint Associations of Sexual Stigma and Mental Distress with PrEP Uptake, Adherence and Persistence among US Gay and Bisexual Men.
2024-09-15
New paper led by Udodirim Onwubiko in PLOS Mental Health: Exploring the Intersections of Sexual Stigma, Poverty and Mental Health in HIV-Negative Gay, Bisexual and Other Men Who Have Sex with Men in the United States.
2024-08-01
New paper led by Kristin Harrington in Annals of Epidemiology: The Impact of COVID-19 National Lockdowns on Drug-Resistant Tuberculosis in KwaZulu-Natal, South Africa: A Spatial Analysis.
2024-07-01
Received Site PI role on the new NIH-funded SILOS: Structural Inequities across Layers of Social-Context as Drivers of HIV and Substance Use (R01 DA061247), studying social and structural factors in HIV transmission and substance use among young MSM and transgender women.
2024-05-15
Received Site PI role on the new NIH-funded Over-the-Counter PrEP: Acceptability, Feasibility, and Potential Impact of Access Without a Prescription (R21 MH136855). Evaluates the feasibility and impact of removing the need for a PrEP prescription.
2024-03-01
2023-11-20
New paper led by Michael Traeger in Clinical Infectious Diseases: Potential Impact of Doxycycline Postexposure Prophylaxis Prescribing Strategies on Incidence of Bacterial Sexually Transmitted Infections.
2023-09-15
Received new NIH award for the LITE Cohort to Identify Determinants of Viral Suppression in MSM and Transfeminine Individuals Living with HIV (UG3 AI176853). A mixed-methods web-based cohort study investigating drivers of HIV viral non-suppression and novel approaches to VL monitoring and treatment.
2023-09-01
Received new CDC award for the Emory Center for Infectious Disease Modeling & Analytics and Training Hub (CIDMATH; CDC U38 75279). The Center will facilitate rapid understanding of epidemiological situations to guide public health decision-making.
2023-06-01
New paper led by Patrick Janulis in the International Journal of STD & AIDS: Partnership Types and Coital Frequency as Predictors of Gonorrhea and Chlamydia among Young MSM and Young Transgender Women.
2023-04-15
2022-10-06
New paper in Sexually Transmitted Diseases: The Role of HIV Partner Services in the Modern Biomedical HIV Prevention Era: A Network Modeling Study.
2022-10-01
New paper led by Jeb Jones in Sexually Transmitted Diseases: Effect of Screening and Treatment for Gonorrhea and Chlamydia on HIV Incidence among Men Who Have Sex with Men in the United States: A Modeling Analysis.
2022-09-23
Received notice of award from NIH/NIAID for a new collaborative project led by PI Julia Marcus at Harvard Medical School: Cabotegravir PrEP: Actionable Robust Evidence for Translation into Practice (R01 AI174862). The study evaluates the real-world use, clinical outcomes, and optimal investment of resources for long-acting injectable PrEP.
2022-09-14
New paper led by Christina Chandra in Sexually Transmitted Diseases: Comparing Sexual Network Mean Active Degree Measurement Metrics among Men Who Have Sex with Men.
2022-07-26
New paper led by Laura Mann in AIDS: Correlations between Community-Level HIV Preexposure Prophylaxis Coverage and Individual-Level Sexual Behaviors among US Men Who Have Sex with Men.
2022-07-19
New paper led by Kevin Maloney in Epidemiology: Sexual Mixing by HIV Status and Preexposure Prophylaxis Use among Men Who Have Sex with Men: Stochastic Reclassification to Address Information Bias in Egocentric Network Data.
2022-07-01
Elected to serve as a standing member of the NIH Study Section Population and Public Health Approaches to HIV/AIDS (PPAH) over the next four years.
2022-05-15
Received notice of award from NIH/NIDA for a new collaborative project led by PI Patrick Janulis at Northwestern: Leveraging data synthesis to identify optimal and robust strategies for HIV elimination among substance-using MSM (R01 DA055502). Network-based epidemic modeling with EpiModel to investigate the role of drug and alcohol use among MSM in driving ongoing HIV transmission.
2022-05-01
New paper led by Margo Wheatley with Eva Enns in JAIDS: Cost-Effectiveness of Interventions to Improve HIV Pre-exposure Prophylaxis Initiation, Adherence, and Persistence among Men Who Have Sex with Men.
2022-03-10
Received notice of award from NIH/NIAID for a new collaborative project led by MPIs Ben Lopman and Saad Omer: Investigation of COVID-19 Disease Parameters for Transmission Models in Low-Resource Settings (R01 AI161399). We will use EpiModel to understand within-household and community-level transmission networks of SARS-CoV-2 in low and middle income countries.
2022-03-01
Received notice of award from NIH/NIMH for our new project STI Response and Recommendations Under PrEP (STIRRUP) (R01 MH128130). Big data analysis, epidemic modeling, and economic decision analysis to understand and address the interaction of HIV PrEP scale-up and bacterial STI incidence.
2021-12-15
New paper in Epidemics: Dynamic Network Strategies for SARS-CoV-2 Control on a Cruise Ship.
2021-12-08
New paper led by Adrien Le Guillou in JAIDS: Population Impact and Efficiency of Improvements to HIV PrEP under Conditions of High Antiretroviral Therapy Coverage among San Francisco Men Who Have Sex with Men.
2021-12-01
New paper led by Steven Goodreau in AIDS and Behavior: A Behavioral Cascade of HIV Seroadaptation among US Men Who Have Sex with Men in the Era of PrEP and U = U.
2021-10-24
New paper led by Kevin Weiss in the Journal of the International AIDS Society: Association between HIV PrEP Indications and Use in a National Sexual Network Study of US Men Who Have Sex with Men.
2021-10-05
New paper led by Christina Chandra in Clinical Infectious Diseases: Gaps in Sexually Transmitted Infection Screening among Men Who Have Sex with Men during Preexposure Prophylaxis Care in the United States.
2021-09-01
New paper led by Emeli Anderson in Epidemiology: The HIV/Sexually Transmitted Infection Epidemic Potential for Dynamic Sexual Networks of Men Who Have Sex with Men in Atlanta and San Francisco.
2021-07-15
New paper with Eva Enns in AIDS: A Decision Analytics Model to Optimize Investment in Interventions Targeting the HIV Preexposure Prophylaxis Cascade of Care.
2021-07-01
New paper led by Patrick Janulis in JAIDS: Temporal Variation in One-Time Partnership Rates among Young Men Who Have Sex with Men and Transgender Women.
2021-03-29
New paper in the Journal of Infectious Diseases: Projected HIV and Bacterial Sexually Transmitted Infection Incidence Following COVID-19-Related Sexual Distancing and Clinical Service Interruption.
2021-03-15
New paper led by Ben Lopman in Scientific Reports: A Model of COVID-19 Transmission and Control on University Campuses. We also released an interactive Shiny app for exploring campus screening and testing strategies.
2021-01-04
2020-11-15
New paper in AIDS: Modeling an Integrated HIV Prevention and Care Continuum to Achieve the Ending the HIV Epidemic Goals.
2020-07-01
New paper led by Kristin Nelson in the American Journal of Epidemiology: Modeling Missing Cases and Transmission Links in Networks of Extensively Drug-Resistant Tuberculosis in KwaZulu-Natal, South Africa.
2020-03-08
New paper led by Kevin Weiss in JAIDS: Estimated Number of Men Who Have Sex with Men with Indications for HIV Pre-exposure Prophylaxis in a National Sexual Network Study.
2020-03-01
New paper led by Stephen Uong in Epidemiology: Assessing the Validity of Sexual Network Degree among Men Who Have Sex with Men Using Prospective Cohort Data.
2020-01-24
2019-11-01
New paper led by Kevin Weiss in Sexually Transmitted Diseases: Epidemiological Impact of Expedited Partner Therapy for Men Who Have Sex with Men: A Modeling Study.
2019-10-25
New paper led by Kevin Weiss in Open Forum Infectious Diseases: Optimizing Coverage versus Frequency for Sexually Transmitted Infection Screening of Men Who Have Sex with Men.
2019-06-07
2018-10-11
New paper in the American Journal of Epidemiology: Addressing Gaps in HIV Preexposure Prophylaxis Care to Reduce Racial Disparities in HIV Incidence in the United States.
2018-07-29
New paper in Sexually Transmitted Diseases: Bacterial Sexually Transmitted Infection Screening Rates by Symptomatic Status among Men Who Have Sex with Men in the United States: A Hierarchical Bayesian Analysis.
2018-07-12
Received my first R01 funding as PI from NIH/NIAID (R01 AI138783) for a project to develop and extend the EpiModel platform to address the next generation of HIV/STI prevention science questions.
2018-06-18
New commentary in Clinical Infectious Diseases: Moving Forward with Treatment of Gonorrhea for Users of HIV Preexposure Prophylaxis Given the Threat of Antimicrobial Resistance.
2018-04-20
2017-09-01
New paper in Clinical Infectious Diseases: Incidence of Gonorrhea and Chlamydia Following Human Immunodeficiency Virus Preexposure Prophylaxis among Men Who Have Sex with Men.
2017-02-15
Received our first NIH funding as PI (R21 MH112449) for a new study to collect a national sample of network-based data on MSM for local modeling of HIV/STI transmission dynamics and prevention opportunities.
2017-01-06
2016-12-15
The December 2016 issue of the Journal of Infectious Diseases featured our HIV PrEP modeling study on its cover: Impact of the CDC’s HIV Preexposure Prophylaxis Guidelines for Men Who Have Sex with Men in the United States.
2016-09-01
Started a new affiliation with the Northwestern Center for Prevention Implementation Methodology (CePIM) as an Early Stage Investigator, with funding to conduct network and implementation science research over the next five years.
2016-07-14
New paper in the Journal of Infectious Diseases: Impact of the Centers for Disease Control’s HIV Preexposure Prophylaxis Guidelines for Men Who Have Sex with Men in the United States.
2016-06-13