[robocat]

All NZers get treated for cancer or pre-existing conditions, within the funding limits of the health system.

Severe health problems don’t bankrupt NZers, and you are not locked into a job just to (a) keep your insurance, or (b) keep your insurance benefits.

How many recently unemployed in the US have lost cover for their pre-existing conditions?

I expect you can find the benefits list document for Southern Cross, if you wished to check out the details of cover for cancer or pre-existing conditions.