Type
Working paper
Titre
The medium-term impact of non-pharmaceutical interventions. The case of the 1918 influenza in US cities
Dans
Sciences Po LIEPP Working Paper
Éditeur
Paris : Laboratoire interdisciplinaire d'évaluation des politiques publiques
Collection
Sciences Po LIEPP Working Paper : 112
Mots clés
non-pharmaceutical interventions , 1918 influenza , difference-in-differences , health policies
Résumé
EN
This paper uses a difference-in-differences (DID) framework to estimate the impact of Non-Pharmaceutical Interventions (NPIs) used to fight the 1918 influenza pandemic and control the resultant mortality in 43 U.S. cities. The results suggest that NPIs such as school closures and social distancing, as implemented in 1918, and when applied for a relatively long and sustained time, might have reduced individual and herd immunity and the population general health condition, thereby leading to a significantly higher number of deaths in subsequent years.

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