Abstract
AbstractDuring the COVID-19 pandemic, many countries and regions investigated the potential use of wastewater-based disease surveillance as an early warning system. Initially, methods were created to detect the presence of SARS-CoV-2 RNA in wastewater. Investigators have since conducted extensive studies to examine the link between viral concentration in wastewater and COVID-19 cases in areas served by sewage treatment plants over time. However, only a few reports have attempted to create predictive models for hospitalizations at county-level based on SARS-CoV-2 RNA concentrations in wastewater. This study implemented a linear mixed-effects model that observes the association between levels of virus in wastewater and county-level hospitalizations. The model was then utilized to predict short-term county-level hospitalization trends in 21 counties in California based on data from March 21, 2022, to May 21, 2023. The modeling framework proposed here permits repeated measurements as well as fixed and random effects. The model that assumed wastewater data as an input variable, instead of cases or test positivity rate, showed strong performance and successfully captured trends in hospitalizations. Additionally, the model allows for the prediction of SARS-CoV-2 hospitalizations two weeks ahead. Forecasts of COVID-19 hospitalizations could provide crucial information for hospitals to better allocate resources and prepare for potential surges in patient numbers.
Publisher
Cold Spring Harbor Laboratory
Cited by
1 articles.
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