Medicine and Health

Estimating the effect of social inequalities on the mitigation of COVID-19 across communities in Santiago de Chile

N. Gozzi, M. Tizzoni, et al.

This groundbreaking study reveals how non-pharmaceutical interventions (NPIs) shaped the spread of SARS-CoV-2 in Santiago de Chile. Using data from 1.4 million mobile users, the research highlights the critical role of lockdowns and the impact of socio-economic factors on epidemic responses, as explored by Nicolò Gozzi, Michele Tizzoni, Matteo Chinazzi, Leo Ferres, Alessandro Vespignani, and Nicola Perra.

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Abstract

This study investigates the spatio-temporal spread of SARS-CoV-2 in Santiago de Chile using anonymized mobile phone data from 1.4 million users (22% of the population). The researchers integrated this data into a mechanistic epidemic model calibrated with surveillance data to analyze the effects of non-pharmaceutical interventions (NPIs). The study finds that a full lockdown implemented on May 15, 2020, was crucial in controlling the epidemic, even with a modest additional decrease in mobility compared to previous NPIs. Importantly, the study reveals a correlation between the impact of NPIs on mobility and the Human Development Index (HDI) of different comunas (municipalities). Wealthier areas exhibited greater isolation and lower pandemic burdens. This heterogeneity highlights challenges faced by communities with systemic social and health inequalities in adapting to epidemic conditions.

Publisher

Nature Communications

Published On

Apr 23, 2021

Authors

Nicolò Gozzi, Michele Tizzoni, Matteo Chinazzi, Leo Ferres, Alessandro Vespignani, Nicola Perra

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