The COVID-19 pandemic is a major problem facing humanity throughout the world. The rapid and accurate tracking of population flows may therefore be epidemiologically informative. This paper adopts a massive amount of daily population flow data (from January 10 to March 15. 2020) for China obtained from the Baidu Migration platform to analyze the changes of the spatiotemporal patterns ... https://parisnaturalfoodes.shop/product-category/herbatint-ff6/