APABLAZA SALINAS, MAURICIO IVÁN
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APABLAZA SALINAS, MAURICIO IVÁN
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mapablaza@udd.cl
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56845856600

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Dataset - Immunization and SARS-CoV-2 Antibody Seroprevalence in a Country with High Vaccination Coverage: Lessons from Chile

2022 , AGUILERA SANHUEZA, XIMENA PAZ , GONZALEZ WIEDMAIER, CLAUDIA MARTA , APABLAZA SALINAS, MAURICIO IVÁN , RUBILAR RAMIREZ, PAOLA ANDREA , CORTES SALINAS, LINA JIMENA

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Overcoming Health Inequities: Spatial Analysis of Seroprevalence and Vaccination Against COVID-19 in Chile

2024 , Muriel Ramírez-Santana , Juan Correa , Loreto Núñez Franz , APABLAZA SALINAS, MAURICIO IVÁN , RUBILAR RAMIREZ, PAOLA ANDREA , VIAL COX, MARIA CECILIA , CORTES SALINAS, LINA JIMENA , HORMAZABAL CASTILLO, JUAN PATRICIO , Luis Canales , VIAL CLARO, PABLO AGUSTIN , AGUILERA SANHUEZA, XIMENA PAZ

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First wave of SARS-CoV-2 in Santiago Chile: Seroprevalence, asymptomatic infection and infection fatality rate

2022 , VIAL CLARO, PABLO AGUSTIN , GONZALEZ WIEDMAIER, CLAUDIA MARTA , APABLAZA SALINAS, MAURICIO IVÁN , VIAL COX, MARIA CECILIA , Gloria Icaza , ARAOS BRALIC, RAFAEL IGNACIO , RUBILAR RAMIREZ, PAOLA , Juan Correa , Andrei Florea , PEREZ ACUÑA, CLAUDIA VERONICA , Paula Concha , Diego Bastías , María Paz Errázuriz , Ruth Pérez , M.Estela Lavín , OLEA NORMANDIN, ANDREA MARIA , MUNITA SEPULVEDA, JOSE MANUEL , AGUILERA SANHUEZA, XIMENA PAZ , Francisco Guzmán , Eugenio Guzmán

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Multidimensional Poverty in Europe 2006–2012: Illustrating a Methodology

2016 , Alkire, Sabina , APABLAZA SALINAS, MAURICIO IVÁN

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Acculturation Learning Process: Affective Quality in Immigrant Women

2023 , Sabine Delhey , FLORENZANO URZÚA, SERGIO RAMÓN , FOSSA ARCILA, PABLO SEBASTIAN , APABLAZA SALINAS, MAURICIO IVÁN , DITZEL LACOA, ANA LORETO , Marcela Aravena

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When More Does Not Necessarily Mean Better: Health‐Related Illfare Comparisons with Non‐Monotone Well‐Being Relationships

2015 , APABLAZA SALINAS, MAURICIO IVÁN , Florent Bresson , Gaston Yalonetzky

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The Quality of Employment (QoE) in nine Latin American countries: A multidimensional perspective

2020 , Kirsten Sehnbruch , GONZALEZ, PABLO , APABLAZA SALINAS, MAURICIO IVÁN , Rocío Méndez , Verónica Arriagada

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“As if it were home”: an exploratory study of the role of homesickness among migrant entrepreneurs

2023 , POBLETE CAZENAVE, CARLOS ABEL , MANDAKOVIC PIZARRO, VESNA VERÓNICA , APABLAZA SALINAS, MAURICIO IVÁN

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Transnational entrepreneurs: opportunity or necessity driven? Empirical evidence from two dynamic economies from Latin America and Europe

2019 , Johannes von Bloh , MANDAKOVIC PIZARRO, VESNA VERÓNICA , APABLAZA SALINAS, MAURICIO IVÁN , AMOROS ESPINOZA, JOSÉ ERNESTO , Rolf Sternberg

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Seroprevalence, spatial distribution, and social determinants of SARS-CoV-2 in three urban centers of Chile

2022 , VIAL CLARO, PABLO AGUSTIN , GONZALEZ WIEDMAIER, CLAUDIA MARTA , Gloria Icaza , Muriel Ramirez-Santana , Rubén Quezada-Gaete , Loreto Núñez-Franz , VIAL COX, MARIA CECILIA , APABLAZA SALINAS, MAURICIO IVÁN , RUBILAR RAMIREZ, PAOLA , Juan Correa , PEREZ ACUÑA, CLAUDIA VERONICA , Andrei Florea , Eugenio Guzmán , María-Estela Lavín , Paula Concha , Manuel Nájera , AGUILERA SANHUEZA, XIMENA PAZ

Abstract Background Seroprevalence studies provide an accurate measure of SARS-CoV-2 spread and the presence of asymptomatic cases. They also provide information on the uneven impact of the pandemic, pointing out vulnerable groups to prioritize which is particularly relevant in unequal societies. However, due to their high cost, they provide limited evidence of spatial spread of the pandemic specially in unequal societies. Our objective was to estimate the prevalence of SARS-CoV-2 antibodies in Chile and model its spatial risk distribution. Methods During Oct–Nov 2020, we conducted a population-based serosurvey in Santiago, Talca, and Coquimbo–La Serena (2493 individuals). We explored the individual association between positive results and socio-economic and health-related variables by logistic regression for complex surveys. Then, using an Empirical Bayesian Kriging model, we estimated the infection risk spatial distribution using individual and census information, and compared these results with official records. Results Seroprevalence was 10.4% (95% CI 7.8–13.7%), ranging from 2% (Talca) to 11% (Santiago), almost three times the number officially reported. Approximately 36% of these were asymptomatic, reaching 82% below 15 years old. Seroprevalence was associated with the city of residence, previous COVID-19 diagnosis, contact with confirmed cases (especially at household), and foreign nationality. The spatial model accurately interpolated the distribution of disease risk within the cities finding significant differences in the predicted probabilities of SARS-CoV-2 infection by census zone (IQR 2.5–15.0%), related to population density and education. Conclusions Our results underscore the transmission heterogeneity of SARS-CoV-2 within and across three urban centers of Chile. Socio-economic factors and the outcomes of this seroprevalence study enable us to identify priority areas for intervention. Our methodological approach and results can help guide the design of interdisciplinary strategies for urban contexts, not only for SARS-CoV-2 but also for other communicable diseases.

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