New COVID-19 Cases Worldwide – Johns Hopkins Coronavirus Resource Center

On a trend line of total cases, a flattened curve looks how it sounds: flat. On the charts on this page, which show new cases per day, a flattened curve will show a downward trend in the number of daily new cases. This analysis uses a 7-day moving average to visualize the number of new COVID-19 cases and calculate the rate of change.

https://coronavirus.jhu.edu/data/new-cases