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 is down from the high of 62 on Jan.
Local and state public health will monitor conditions that could lead to future surges.
Have countries flattened the curve? The levels are updated every Thursday.