One in four people have it, page-4

extreme queueing removes many who don't feel crook.... and then there are the ones who feel crook but don't want to be tested for fear of the consequences of being locked into quarantine..... and then there are the few who don't think its real or have anti-social traits, lack of accurate information. poor understanding and little care.

but yes the infection is widely spread thanks to Morrison and Parrottet.