Early warning system using primary healthcare data in the post-COVID-19-pandemic era: Brazil nationwide case-study
Thiago Cerqueira-Silva,
Juliane F. Oliveira,
Vinicius de Araújo Oliveira
et al.
Abstract:BackgroundSyndromic surveillance utilising primary health care (PHC) data is a valuable tool for early outbreak detection, as demonstrated in the potential to identify COVID-19 outbreaks. However, the potential of such an early warning system in the post-COVID-19 era remains largely unexplored.MethodsWe analysed PHC encounter counts due to respiratory complaints registered in the Brazilian database of the Universal Health System between January and July 2023. We applied EARS (variation C1-C2-C3) and EVI to est… Show more
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