How has the phrase "flatten the curve" been covered on television news? The timeline below shows total mentions of the phrase across BBC News London, CNN, MSNBC and Fox News since the start of the pandemic, showing it leapt into prominence in mid-March 2020 and largely faded by late May 2020 other than a second burst from late June to late July 2020. The phrase has all but disappeared since the start of this year.