They were old on average though and all got relatively good treatment (not too many overcrowded hospitals). Something that data makes very clear is that there a

They were old on average though and all got relatively good treatment (not too many overcrowded hospitals). Something that data makes very clear is that there are many asymptomatic cases though - around 50% of the people who tested positive did not experience any symptoms. Which suggests that areas where only people exhibiting symptoms get tested are probably missing a large proportion of carriers.