Association Between K–12 School Mask Policies and School-Associated COVID-19 Outbreaks — Maricopa and Pima Counties, Arizona, July–August 2021

Megan Jehn, J. Mac McCullough, Ariella P. Dale, Matthew Gue, Brian Eller, Theresa Cullen, Sarah E. Scott

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

CDC recommends universal indoor masking by students, staff members, faculty, and visitors in kindergarten through grade 12 (K–12) schools, regardless of vaccination status, to reduce transmission of SARS-CoV-2, the virus that causes COVID-19 (1). Schools in Maricopa and Pima Counties, which account for >75% of Arizona’s population (2), resumed in-person learning for the 2021–22 academic year during late July through early August 2021. In mid-July, county-wide 7-day case rates were 161 and 105 per 100,000 persons in Maricopa and Pima Counties, respectively, and 47.6% of Maricopa County residents and 59.2% of Pima County residents had received at least 1 dose of a COVID-19 vaccine. School districts in both counties implemented variable mask policies at the start of the 2021–22 academic year (Table).

Original languageEnglish (US)
Pages (from-to)1372-1373
Number of pages2
JournalMMWR Recommendations and Reports
Volume70
Issue number39
DOIs
StatePublished - 2021
Externally publishedYes

ASJC Scopus subject areas

  • Epidemiology
  • Health(social science)
  • Health, Toxicology and Mutagenesis
  • Health Information Management

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