COVID-19 Transmission Due to Delta Variant in New York City Public Schools From October to December 2021.

Varma, Jay K; Feldkamp, Cara; Alexander, Mariana; Norman, Emily; Agerton, Tracy; Davis, Rindcy; Long, Theodore · JAMA Netw Open · 2022

prospective_cohort · Level II

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Abstract

This cohort study assesses COVID-19 prevention measures against the Delta variant by measuring the secondary attack rate for cases in students, teachers, and staff of New York City public schools from October to December 2021 and analyzing the likely direction of transmission for secondary cases.

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