The purpose of this systematic review and meta-analysis is to determine the effect of
lockdowns on COVID-19 mortality based on available empirical evidence. Lockdowns are …

How has the COVID-19 pandemic affected learning progress among school-age children?
Two years after the onset of the pandemic, a growing number of studies have addressed this …

We estimate the impact of district-level schooling mode (in-person versus hybrid or distance
learning) on test scores. We combine Spring 2021 state standardized test score data with …

Purpose: Nearly all schools in the United States closed in spring 2020, at the onset of the
COVID-19 pandemic. We analyze traditional public and charter school reopenings for the …

BACKGROUND AND OBJECTIVES Mandatory quarantine upon exposure to coronavirus
disease 2019 (COVID-19) results in a substantial number of lost days of school. We …

This review proposes a model of Long-COVID where the constellation of symptoms are in
fact genuinely experienced persistent physical symptoms that are usually functional in …

We use event study models based on staggered summer vacations in Germany to estimate
the effect of school reopenings after the summer of 2021 on the spread of severe acute …

Rationale The host-pathogen relationship is inherently dynamic and constantly evolving.
Applying an implementation science lens to policy evaluation suggests that policy impacts …

Nearly 700 4-year US colleges mandated students receive COVID-19 vaccinations in fall
2021. Using data on college policies and county health, we estimate how mandates affect …

Background Despite their clear lesser vulnerability to COVID-19, the extent by which
children are susceptible to getting infected by SARS-CoV-2 and their capacity to transmit the …