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Title Early adoption of non-pharmaceutical interventions and COVID-19 mortality
Authors Amuedo-Dorantes C. , Borra C. , RIVERA GARRIDO, NOELIA, Sevilla A.
External publication No
Means Econ Hum Biol
Scope Article
Nature Científica
JCR Quartile 3
SJR Quartile 1
JCR Impact 2.774
SJR Impact 0.923
Web https://www.scopus.com/inward/record.uri?eid=2-s2.0-85104624699&doi=10.1016%2fj.ehb.2021.101003&partnerID=40&md5=2b17edfb42455d8d5788f72cf981e1da
Publication date 01/01/2021
ISI 000663990600015
Scopus Id 2-s2.0-85104624699
DOI 10.1016/j.ehb.2021.101003
Abstract To contain the spread of the COVID-19 pandemic, many countries around the globe have adopted social distancing measures. Yet, establishing the causal effect of non-pharmaceutical interventions (NPIs) is difficult because they do not occur arbitrarily. We exploit a quasi-random source of variation for identification purposes –namely, regional differences in the placement on the pandemic curve following an unexpected and nationwide lockdown. Our results reveal that regions where the outbreak had just started when the lockdown was implemented had 1.62 fewer daily deaths per 100,000 inhabitants when compared to regions for which the lockdown arrived 10+ days after the pandemic\'s outbreak. As a result, a total of 4,642 total deaths (232 deaths/daily) could have been avoided by the end of our period of study –a figure representing 23% of registered deaths in Spain at the time. We rule out differential pre-COVID mortality trends and self-distancing behaviors across the compared regions prior to the swift lockdown, which was also uniformly observed nationwide. In addition, we provide supporting evidence for contagion deceleration as the main mechanism behind the effectiveness of the early adoption of NPIs in lowering the death rate, rather than an increased healthcare capacity. © 2021 Elsevier B.V.
Keywords Coronavirus; COVID-19; Lockdown; Mortality; Pandemic; Spain
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