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. 2020 Dec 4;127:103311. doi: 10.1016/j.jue.2020.103311

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© 2020 Published by Elsevier Inc.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Fig. 3 — Evolution of COVID-19 Case and Mortality Growth Rates for Early Versus Late Spring Break Counties. Notes: Each panel above plots the average three-day exponential growth rate of either confirmed COVID-19 cases or mortality separately for early versus late spring break counties. Early spring break counties are defined as counties with more than 25% of the college student population having a spring break which ends before March 9th (120 counties). Late spring break counties are counties with fewer than 25% of the county college student population with early spring breaks (635 counties). The shaded region denotes the early spring break period ending on March 8th. Outcome data come from the New York Times. We also replicate this plot for the level of both confirmed cases and mortality in Figure A.3 to show how the two groups diverge over time.