BackgroundInternet-derived data and the autoregressive integrated moving average (ARIMA) and ARIMA with explanatory variable (ARIMAX) models are extensively used for infectious disease surveillance. However. the effectiveness of the Baidu search index (BSI) in predicting the incidence of scarlet fever remains uncertain. ObjectiveOur objective was to investigate whether a low-cost BSI ... https://yeswellneses.shop/product-category/hand-soap/