The issue is the high percentage of patients that require intensive care, with up to 5% needing respiratory support. This can very easily overwhelm local health

The issue is the high percentage of patients that require intensive care, with up to 5% needing respiratory support. This can very easily overwhelm local health systems, and cause a knock-on effect to health support to the rest of the community. The best defence governments have right now is to try and slowdown the progression of the disease, and quarantining entire regions has already been shown in China to be an effective way of doing that.