But it is still far short of the so-called Spanish flu, which began in 1918 and is estimated to have killed more than 20 million people by the time it ended in 1920.
The controversy over whether - as countries in southern Europe had sought - members of the eurozone could issue joint debt has also been left till another day.
Calls for heightened vigilance, countering talk from the Trump administration of reopening the economy next month, came as new evidence emerged that stay-at-home restrictions were working to flatten the arc of infections in New York state, the U.S. epicenter of the pandemic.
With big family gatherings off limits, friends and relatives are unable to meet and hand over Easter egg treats, and chocolate makers' online sites are struggling to keep up with demand for deliveries.
Easter eggs are on sale in shops but those customers who do venture out have been focused more on stocking up on basics such as pasta and tinned food.
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