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2019 1
2020 1
2021 2
2022 5
2023 0

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Page 1
Smart pooling: AI-powered COVID-19 informative group testing.
Escobar M, Jeanneret G, Bravo-Sánchez L, Castillo A, Gómez C, Valderrama D, Roa M, Martínez J, Madrid-Wolff J, Cepeda M, Guevara-Suarez M, Sarmiento OL, Medaglia AL, Forero-Shelton M, Velasco M, Pedraza JM, Laajaj R, Restrepo S, Arbelaez P. Escobar M, et al. Among authors: laajaj r. Sci Rep. 2022 Apr 20;12(1):6519. doi: 10.1038/s41598-022-10128-9. Sci Rep. 2022. PMID: 35444162 Free PMC article.
Understanding how socioeconomic inequalities drive inequalities in COVID-19 infections.
Laajaj R, Webb D, Aristizabal D, Behrentz E, Bernal R, Buitrago G, Cucunubá Z, de la Hoz F, Gaviria A, Hernández LJ, De Los Rios C, Ramírez Varela A, Restrepo S, Schady N, Vives M. Laajaj R, et al. Sci Rep. 2022 May 18;12(1):8269. doi: 10.1038/s41598-022-11706-7. Sci Rep. 2022. PMID: 35585211 Free PMC article.
COVID-19 spread, detection, and dynamics in Bogota, Colombia.
Laajaj R, De Los Rios C, Sarmiento-Barbieri I, Aristizabal D, Behrentz E, Bernal R, Buitrago G, Cucunubá Z, de la Hoz F, Gaviria A, Hernández LJ, León L, Moyano D, Osorio E, Varela AR, Restrepo S, Rodriguez R, Schady N, Vives M, Webb D. Laajaj R, et al. Nat Commun. 2021 Aug 5;12(1):4726. doi: 10.1038/s41467-021-25038-z. Nat Commun. 2021. PMID: 34354078 Free PMC article.
Factors Associated With SARS-CoV-2 Infection in Bogotá, Colombia: Results From a Large Epidemiological Surveillance Study.
Varela AR, Florez LJH, Tamayo-Cabeza G, Contreras-Arrieta S, Restrepo SR, Laajaj R, Gutierrez GB, Guevara YPR, Caballero-Díaz Y, Florez MV, Osorio E, Barbieri IS, Sanchez DR, Nuñez LL, Bernal R, Oliveros SR, Zapata LS, Guevara-Suarez M, Uribe AG, Behrentz E. Varela AR, et al. Among authors: laajaj r. Lancet Reg Health Am. 2021 Oct;2:100048. doi: 10.1016/j.lana.2021.100048. Epub 2021 Aug 23. Lancet Reg Health Am. 2021. PMID: 34458886 Free PMC article.
Risk factors for SARS-CoV-2 transmission in close contacts of adults at high risk of infection due to occupation: results from the contact tracing strategy of the CoVIDA epidemiological surveillance study in Bogotá, Colombia, in 2020-2021.
Ramírez Varela A, Contreras-Arrieta S, Tamayo-Cabeza G, Salas Zapata L, Caballero-Díaz Y, Hernández Florez LJ, Benavidez AP, Laajaj R, De la Hoz F, Buitrago Gutierrez G, Restrepo S, Behrentz E; CoVIDA working group. Ramírez Varela A, et al. Among authors: laajaj r. BMJ Open. 2022 Dec 23;12(12):e062487. doi: 10.1136/bmjopen-2022-062487. BMJ Open. 2022. PMID: 36564109 Free PMC article.
Prediction of SARS-CoV-2 infection with a Symptoms-Based model to aid public health decision making in Latin America and other low and middle income settings.
Ramírez Varela A, Moreno López S, Contreras-Arrieta S, Tamayo-Cabeza G, Restrepo-Restrepo S, Sarmiento-Barbieri I, Caballero-Díaz Y, Jorge Hernandez-Florez L, Mario González J, Salas-Zapata L, Laajaj R, Buitrago-Gutierrez G, de la Hoz-Restrepo F, Vives Florez M, Osorio E, Sofía Ríos-Oliveros D, Behrentz E. Ramírez Varela A, et al. Among authors: laajaj r. Prev Med Rep. 2022 Jun;27:101798. doi: 10.1016/j.pmedr.2022.101798. Epub 2022 Apr 20. Prev Med Rep. 2022. PMID: 35469291 Free PMC article.
Effectiveness and adherence to closed face shields in the prevention of COVID-19 transmission: a non-inferiority randomized controlled trial in a middle-income setting (COVPROSHIELD).
Varela AR, Gurruchaga AP, Restrepo SR, Martin JD, Landazabal YDC, Tamayo-Cabeza G, Contreras-Arrieta S, Caballero-Díaz Y, Florez LJH, González JM, Santos-Barbosa JC, Pinzón JD, Yepes-Nuñez JJ, Laajaj R, Buitrago Gutierrez G, Florez MV, Fuentes Castillo J, Quinche Vargas G, Casas A, Medina A, Behrentz E; CoVIDA Working Group. Varela AR, et al. Among authors: laajaj r. Trials. 2022 Aug 20;23(1):698. doi: 10.1186/s13063-022-06606-0. Trials. 2022. PMID: 35987694 Free PMC article. Clinical Trial.