Surges in COVID-19 are led by lax government interventions in initial outbreaks

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AI-generated summary by claude@2026-07, 2026-07-15

This study demonstrates that lax government interventions during initial COVID-19 outbreaks, coupled with elevated virus spread, were the primary drivers of surges in cases observed in late June.

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Abstract

Sharp increases in COVID-19 cases occurred after reopening in the United States. We show that the post-intervention effective reproduction number is a strong predictor of the surge in late June. Lax interventions in the early stages coupled with elevated virus spread are primarily responsible for surges in most affected states.

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europepmc
last seen: 2026-05-19T01:45:01.086888+00:00
unpaywall
last seen: 2026-05-21T05:10:58.409756+00:00
License: CC-BY-NC-4.0