The Latest: Potbelly Sandwich Shop is returning PPP money

The Latest on the coronavirus pandemic. The new coronavirus causes mild or moderate symptoms for most people. For some, especially older adults and people with existing health problems, it can cause more severe illness or death.
TOP OF THE HOUR:
— Britain tops 20,000 deaths from coronavirus.
— WHO warns against idea of ‘immunity passports.’
— Spain hopeful of easing confinement restrictions soon.
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NEW YORK — Potbelly Sandwich Shop is the latest large compan