Community-Based Surveillance and Geographic Information SystemâLinked Contact Tracing in COVID-19 Case Identification, Ghana, MarchâJune 2020.
Emerg Infect Dis
; 28(13): S114-S120, 2022 12.
Article
en En
| MEDLINE
| ID: mdl-36502391
ABSTRACT
In response to the COVID-19 pandemic, Ghana implemented various mitigation strategies. We describe use of geographic information system (GIS)âlinked contact tracing and increased community-based surveillance (CBS) to help control spread of COVID-19 in Ghana. GIS-linked contact tracing was conducted during March 31-June 16, 2020, in 43 urban districts across 6 regions, and 1-time reverse transcription PCR testing of all persons within a 2-km radius of a confirmed case was performed. CBS was intensified in 6 rural districts during the same period. We extracted and analyzed data from Surveillance Outbreak Response Management and Analysis System and CBS registers. A total of 3,202 COVID-19 cases reported through GIS-linked contact tracing were associated with a 4-fold increase in the weekly number of reported SARS-CoV-2 infected cases. CBS identified 5.1% (8/157) of confirmed cases in 6 districts assessed. Adaptation of new methods, such as GIS-linked contact tracing and intensified CBS, improved COVID-19 case detection in Ghana.
Palabras clave
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Trazado de Contacto
/
COVID-19
Tipo de estudio:
Diagnostic_studies
/
Screening_studies
Límite:
Humans
Idioma:
En
Año:
2022
Tipo del documento:
Article