McKinsey COVID 19 Briefing note March 30 2020 page 0001McKinsey COVID 19 Briefing note March 30 2020 page 0002McKinsey COVID 19 Briefing note March 30 2020 page 0003McKinsey COVID 19 Briefing note March 30 2020 page 0004McKinsey COVID 19 Briefing note March 30 2020 page 0005McKinsey COVID 19 Briefing note March 30 2020 page 0006McKinsey COVID 19 Briefing note March 30 2020 page 0007