Multistate Outbreak of SARS-CoV-2 Infections, Including Vaccine Breakthrough Infections, Associated with Large Public Gatherings, United States

During July 2021, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) B.1.617.2 variant infections, including vaccine breakthrough infections, occurred after large public gatherings in Provincetown, Massachusetts, USA, prompting a multistate investigation. Public health departments identifi...

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Detalles Bibliográficos
Autores principales: Gharpure, Radhika, Sami, Samira, Vostok, Johanna, Johnson, Hillary, Hall, Noemi, Foreman, Anne, Sabo, Rebecca T., Schubert, Petra L., Shephard, Hanna, Brown, Vance R., Brumfield, Ben, Ricaldi, Jessica N., Conley, Andrew B., Zielinski, Lindsay, Malec, Lenka, Newman, Alexandra P., Chang, Michelle, Finn, Lauren E., Stainken, Cameron, Mangla, Anil T., Eteme, Patrick, Wieck, Morgan, Green, Alison, Edmundson, Alexandra, Reichbind, Diana, Brown, Vernell, Quiñones, Laura, Longenberger, Allison, Hess, Elke, Gumke, Megan, Manion, Alicia, Thomas, Hannah, Barrios, Carla A., Koczwara, Adrianna, Williams, Thelonious W., Pearlowitz, Marcia, Assoumou, Moussokoura, Senisse Pajares, Alessandra F., Dishman, Hope, Schardin, Cody, Wang, Xiong, Stephens, Kendalyn, Moss, Nakema S., Singh, Gurpalik, Feaster, Christine, Webb, Lindsey Martin, Krueger, Anna, Dickerson, Kristen, Dewart, Courtney, Barbeau, Bree, Salmanson, Amelia, Madoff, Lawrence C., Villanueva, Julie M., Brown, Catherine M., Laney, A. Scott
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Centers for Disease Control and Prevention 2022
Materias:
Synopsis
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8714214/
https://www.ncbi.nlm.nih.gov/pubmed/34793690
http://dx.doi.org/10.3201/eid2801.212220
Descripción
Sumario:During July 2021, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) B.1.617.2 variant infections, including vaccine breakthrough infections, occurred after large public gatherings in Provincetown, Massachusetts, USA, prompting a multistate investigation. Public health departments identified primary and secondary cases by using coronavirus disease surveillance data, case investigations, and contact tracing. A primary case was defined as SARS-CoV-2 detected <14 days after travel to or residence in Provincetown during July 3–17. A secondary case was defined as SARS-CoV-2 detected <14 days after close contact with a person who had a primary case but without travel to or residence in Provincetown during July 3–August 10. We identified 1,098 primary cases and 30 secondary cases associated with 26 primary cases among fully and non–fully vaccinated persons. Large gatherings can have widespread effects on SARS-CoV-2 transmission, and fully vaccinated persons should take precautions, such as masking, to prevent SARS-CoV-2 transmission, particularly during substantial or high transmission.

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