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Wingfield, Tom ; Boccia, Delia ; Tovar, Marco ; Gavino, Arquimedes ; Zevallos, Karine ; Montoya, Rosario ; Lonnroth, Knut ; Evans, Carlton A. | Public Library of Science | 2020-06-10T18:12:16ZBACKGROUND: Even when tuberculosis (TB) treatment is free, hidden costs incurred by patients and their households (TB-affected households) may worsen poverty and health. Extreme TB-associated costs have been termed "catastrophic" but are poorl[...]texto impreso
Blitchtein-Winicki, Dora ; Zevallos, Karine ; Samolski, M. Reuven ; Requena, David ; Velarde, Chaska ; Briceño, Patricia ; Piazza, Marina ; Ybarra, Michele L. | JMIR Publications | 2019-01-25T15:18:35ZBACKGROUND: In Peru's urban communities, tobacco smoking generally starts during adolescence and smoking prevalence is highest among young adults. Each year, many attempt to quit, but access to smoking cessation programs is limited. Evidence-bas[...]texto impreso
Saunders, Matthew J. ; Wingfield, Tom ; Tovar, Marco A. ; Herlihy, Niamh ; Rocha, Claudio ; Zevallos, Karine ; Montoya, Rosario ; Ramos, Eric ; Datta, Sumona ; Evans, Carlton A. | Wiley | 2018-11-30T17:17:15ZOBJECTIVES: Mobile phone interventions have been advocated for tuberculosis care, but little is known about access of target populations to mobile phones. We studied mobile phone access among patients with tuberculosis, focusing on vulnerable pa[...]texto impreso
Kocher, Claudine ; Morrison, Amy-C. ; Leguia, Mariana ; Loyola, Steev ; Castillo, Roger-M. ; Galvez, Hugo-A. ; Astete, Helvio ; Flores-Mendoza, Carmen ; Ampuero, Julia-S. ; Bausch, Daniel-G. ; Halsey, Eric-S. ; Cespedes, Manuel ; Zevallos, Karine ; Jiang, Ju ; Richards, Allen-L. | Public Library of Science | 2019-02-06T14:45:36ZUsing a large, passive, clinic-based surveillance program in Iquitos, Peru, we characterized the prevalence of rickettsial infections among undifferentiated febrile cases and obtained evidence of pathogen transmission in potential domestic reser[...]texto impreso
Saunders, Matthew J. ; Wingfield, Tom ; Tovar, Marco A. ; Baldwin, Matthew R. ; Datta, Sumona ; Zevallos, Karine ; Montoya, Rosario ; Valencia, Teresa R. ; Friedland, Jon S. ; Moulton, Larry H. ; Gilman, Robert H. ; Evans, Carlton A. | Elsevier | 2019-01-25T15:02:14ZBACKGROUND: Contacts of tuberculosis index cases are at increased risk of developing tuberculosis. Screening, preventive therapy, and surveillance for tuberculosis are underused interventions in contacts, particularly adults. We developed a scor[...]texto impreso
Wingfield, Tom ; Schumacher, Samuel G. ; Sandhu, Gurjinder ; Tovar, Marco A. ; Zevallos, Karine ; Baldwin, Matthew R. ; Montoya, Rosario ; Ramos, Eric S. ; Jongkaewwattana, Chulanee ; Lewis, James J. ; Gilman, Robert H. ; Friedland, Jon S. ; Evans, Carlton A. | Oxford University Press | 2020-06-10T18:12:15ZBACKGROUND: Unlike other respiratory infections, tuberculosis diagnoses increase in summer. We performed an ecological analysis of this paradoxical seasonality in a Peruvian shantytown over 4 years. METHODS: Tuberculosis symptom-onset and diagn[...]
