Brian Tyler, CEO of McKesson, speaks during a coronavirus task force briefing in the Rose Garde …

Brian Tyler, CEO of McKesson, speaks during a coronavirus task force briefing in the Rose Garde ...

Brian Tyler, CEO of McKesson, speaks during a coronavirus task force briefing in the Rose Garden of the White House, Sunday, March 29, 2020, in Washington, as President Donald Trump listens. (AP Photo/Patrick Semansky)