https://www.nytimes.com/2020/06/27/world/europe/coronavirus-spread-asymptomatic.html

by: Matt Apuzzo, Selam Gebrekidan and David D. Kirkpatrick

Behind the curve - the silent spreaders. Officials resisted evidence for months as virus surged.  'She was not illl', 'A complete tsunami', 

This is the first in a series of articles examining the missteps, misunderstandings and missed warning signals that allowed COVID-19 to spread around the world.