Outbreak caused by the SARS-CoV-2 Omicron variant in the psychiatric ward of a general hospital in Brazil

Outbreak caused by the SARS-CoV-2 Omicron variant in the psychiatric ward of a general hospital in Brazil

ABSTRACT Background: An outbreak of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant was detected in the psychiatric ward of a general hospital in Brasília, Brazil. Methods: We report the investigation, clinical outcomes, viral sequencing, and control measures applied to outbreak containment. Results: The overall attack rate was 95% (23/24) in a period of 13 days. Among the cases, 78% (18/23) were vaccinated and 17% (4/23) required intensive care. The Omicron variant was isolated from the 19 sequenced samples. Conclusions: The findings highlight the potential harm that highly transmissible variants may generate among hospitalized populations, particularly those with comorbidities.

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Bibliographic Details
Main Authors: Vanni,Tazio, Menezes,Moema Silva, Sudbrack,Letícia Olivier, Futiwaki,Fabiana, Bezerra,Linda Stéphany, Cabral Filho,Sergio, Oliveira Neto,Edinan, Cortez,Paulo Giovanni Pinheiro, Costa,Fabiano José Queiroz, Vieira,Lucas Luiz, Roll,Mariana Matos, Araújo,Wildo Navegantes de, Almiron,Maria, Siqueira,André Machado de, Ribeiro,Liliana Moscoso, Ribeiro,Julival Fagundes
Format: Digital revista
Language:English
Published: Sociedade Brasileira de Medicina Tropical - SBMT 2022
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822022000100618
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Summary:ABSTRACT Background: An outbreak of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant was detected in the psychiatric ward of a general hospital in Brasília, Brazil. Methods: We report the investigation, clinical outcomes, viral sequencing, and control measures applied to outbreak containment. Results: The overall attack rate was 95% (23/24) in a period of 13 days. Among the cases, 78% (18/23) were vaccinated and 17% (4/23) required intensive care. The Omicron variant was isolated from the 19 sequenced samples. Conclusions: The findings highlight the potential harm that highly transmissible variants may generate among hospitalized populations, particularly those with comorbidities.

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