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Multistate Outbreak of SARS-CoV-2 Infections, Including Vaccine Breakthrough Infections, Associated with Large Public Gatherings, United States.
- Source :
-
Emerging infectious diseases [Emerg Infect Dis] 2022 Jan; Vol. 28 (1), pp. 35-43. Date of Electronic Publication: 2021 Nov 18. - Publication Year :
- 2022
-
Abstract
- 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.
Details
- Language :
- English
- ISSN :
- 1080-6059
- Volume :
- 28
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- Emerging infectious diseases
- Publication Type :
- Academic Journal
- Accession number :
- 34793690
- Full Text :
- https://doi.org/10.3201/eid2801.212220