Stanford University Stanford University Jorge Roa, MSc
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Publications

Peer-Reviewed Publications

Cover of The Lancet Public Health — 2026 Europe report of the Lancet Countdown on health and climate change

The 2026 Europe report of the Lancet Countdown on health and climate change: narrowing window for decisive health action
The Lancet Public Health
Kriit, H.K., Chen-Xu, J.C., Semenza, J.C., … , Roa-Contreras, J.A., Tonne, C., Rocklöv, J.
Apr 21, 2026

Cover of Gastroenterology — commentary on screening follow-up

The best screening test is the one that gets followed up on
Gastroenterology
van den Berg, D.M.N., Brück, C.C., Nascimento de Lima, P., Alarid-Escudero, F., Hahn, A.I., Lansdorp-Vogelaar, I., Colorectal Working Group of CISNET [incl. Roa, J.]
Feb 23, 2026

Cover of The Lancet — 2025 report of the Lancet Countdown on health and climate change

The 2025 report of the Lancet Countdown on health and climate change
The Lancet
Romanello, M., Walawender, M., Hsu, S.-C., … , Roa, J., Costello, A.
Dec 13, 2025

Cover of The Lancet Regional Health – Americas — global Helicobacter pylori seroprevalence trends

Birth cohort and age-specific trends in global Helicobacter pylori seroprevalence: A scoping review
The Lancet Regional Health - Americas
Taylor, C.S., McMahon, M.V., Ward, Z.J., Alarid-Escudero, F., Camargo, M.C., Laszkowska, M., Roa, J., Yeh, J.M.
Jan 1, 2025

Cover of The Lancet Regional Health – Americas — Helicobacter pylori infection in the United States

Helicobacter pylori infection in the United States beyond NHANES
The Lancet Regional Health - Americas
McMahon, M.V., Taylor, C.S., Ward, Z.J., Alarid-Escudero, F., Camargo, M.C., Laszkowska, M., Roa, J., Yeh, J.M.
Jan 1, 2025

Cover of MDM Policy & Practice — COVID-19 holiday-contact policy modeling study

Dependence of COVID-19 Policies on End-of-Year Holiday Contacts in Mexico City
MDM Policy & Practice
Alarid-Escudero, F., Gracia, V., Luviano, A., Roa, J., Peralta, Y., Reitsma, M.B., Claypool, A.L., Salomon, J.A., Studdert, D.M., Andrews, J.R., Goldhaber-Fiebert, J.D.
Oct 11, 2021
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Forthcoming Publications

Illustration — Helicobacter pylori prevalence and force-of-infection trends in China

Trends in Helicobacter pylori prevalence, force of infection, and attributable disease burden in China from 1990 to 2023: a systematic review, meta-analysis, and modelling study
Preprint — Preprints with The Lancet (SSRN)
Sun, D., Han, W., Alarid-Escudero, F., Roa-Contreras, J.A., Wang, S., Mülder, D.T., Huang, R.J., Ladabaum, U., Spaander, M.C.W., Camargo, M.C., Park, J.Y., Chen, W., Lansdorp-Vogelaar, I., Hontelez, J.A.C.
Apr 18, 2026

Cover image — race-specific Helicobacter pylori force-of-infection estimates

Race-specific estimates of the force of infection of Helicobacter pylori using two national seroprevalence surveys in the US: A hierarchical Bayesian catalytic epidemic modeling study
Preprint — SSRN
Roa, J., Peralta, Y., McMahon, M., Taylor, C., Ward, Z.J., Camargo, M.C., Yeh, J., Alarid-Escudero, F.
Jan 1, 2025

Illustration — modeling mass testing and eradication for Helicobacter pylori

Modeling the impact of mass testing and eradication strategies of Helicobacter pylori in the United States
Preprint — The Lancet Regional Health – Americas (SSRN)
Kaufmann, M.B., Roa, J., Yeh, J.M., Goldhaber-Fiebert, J.D., Alarid-Escudero, F.
Jan 1, 2025

Cover image — digital indicators study presented at IEEE BigData 2024

From searches to sneezes: Evaluating digital indicators for allergic rhinitis surveillance in the United Kingdom
IEEE BigData 2024
Manohara, K., Jankin, S., Roa, J., Béchara, H., Bousquet, J., Garcia-Corral, P., Sousa-Pinto, B.
Dec 15, 2024
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Conference & Policy Papers

Thomas Cole — The Voyage of Life: Manhood (1842)

Accurate uncertainty quantification in Bayesian calibration accounting for correlated targets
SMDM 47th Annual Meeting
Roa, J., Gracia, V., Goldhaber-Fiebert, J.D., Alarid-Escudero, F.
Jun 15, 2025

Poster cover — hierarchical Bayesian meta-analysis of Helicobacter pylori, SMDM Europe conference

A Hierarchical Bayesian Meta-Analytic Helicobacter Pylori (H. pylori) Infection Generator for the U.S. Population
Poster — SMDM 18th Biennial European Conference, Berlin, Germany
Roa, J.
Oct 22, 2023

Cover image — analysis of Mexico's open vaccination data (Animal Politico)

¿Qué tan abiertos son los “datos abiertos” de vacunación en México?
Animal Político — El Contagio
Velázquez, S., Roa, J., Padilla, A., Alarid-Escudero, F.
Jun 23, 2021

Cover image — drug-policy implementation analysis (Animal Politico)

De la corte a las calles: La complejidad en la implementación de la nueva regulación de la mariguana
Animal Político — El Dispensario
Roa, J.
Jun 5, 2021

Illustration — two decades of homicide evolution in Mexico (policy brief)

Homicides in Mexico: Two Decades of Evolution
Programa de Política de Drogas — Policy Brief
Peralta, Y., Roa, J., Miranda, A., Alarid-Escudero, F.
Jan 1, 2021

Illustration — homicide trends in Mexico during the pandemic (policy brief)

La tendencia de los homicidios en México durante la pandemia por COVID-19
Programa de Política de Drogas — Policy Brief
Peralta, Y., Roa, J., Alarid-Escudero, A.
Jan 1, 2021

Illustration — Aguascalientes state COVID indicator analysis (LJA.mx)

Analizando el Indicador Estatal Covid de Aguascalientes: ¿Realmente es útil?
LJA.mx — Opinión
Roa, J.
Dec 14, 2020

Illustration — geography of violence and criminal-group presence in Mexico (Animal Politico)

La geografía de la violencia: presencia de grupos criminales en México
Animal Político — El Dispensario
Roa, J.
Jun 3, 2020
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