Their new case rates have risen to the point that they've lost control of the spread with current measures, so their current level of masking isn't enough.
> they've lost control of the spread with current measures
They are reporting this as "lost control" even though their spread continues to be lower than any Western country has had since mid-March? That tells a lot.
They are reporting this as "lost control" even though their spread continues to be lower than any Western country has had since mid-March? That tells a lot.