Select one or multiple (with Ctrl/Command + click) countries from the list to plot the time series of confirmed COVID-19 cases in those countries.
Select what to display in the graph: either the Total cases, or the New cases per day or the Growth ratio of total cases per day.
Select the synchronization mode: Automatic synchronization to synchronize the time series by automatically shifting them to get the best trend match, or Synchronize series at to synchronize the series at the specified number of cases.
The COVID-19 data is taken from the John Hopkins CSSE repository and is subject to the terms of use as stated in that repository.