Outbreak of SARS-CoV-2 Infections, Including COVID-19 Vaccine Breakthrough Infections, Associated with Large Public Gatherings — Barnstable County, Massachusetts, July 2021

URL

https://www.cdc.gov/mmwr/volumes/70/wr/pdfs/mm7031e2-H.pdf

Authors

Catherine M. Brown, Johanna Vostok, Hillary Johnson, Meagan Burns, Radhika Gharpure, Samira Sami, Rebecca T. Sabo, Noemi Hall, Anne Foreman, Petra L. Schubert, Glen R. Gallagher, Timelia Fink, Lawrence C. Madoff, Stacey B. Gabriel, Bronwyn MacInnis, Daniel J. Park, Katherine J. Siddle, Vaira Harik, Deirdre Arvidson, Taylor Brock-Fisher, Molly Dunn, Amanda Kearns, and A. Scott Laney

Published Date

August 6, 2021

Publication

Morbidity and Mortality Weekly Report

Organization

Massachusetts Department of Public Health

Key Excerpts

“What is added by this report? In July 2021, following multiple large public events in a Barnstable County, Massachusetts, town, 469 COVID-19 cases were identified among Massachusetts residents who had traveled to the town during July 3–17; 346 (74%) occurred in fully vaccinated persons. Testing identified the Delta variant in 90% of specimens from 133 patients. Cycle threshold values were similar among specimens from patients who were fully vaccinated and those who were not.”

Medium

document

Topics

breakthrough cases,COVID-19,clinical cases,vaccines