Doctors in countries with a growing number of recovering COVID-19 patients say those who've suffered are needing treatment even after they are discharged.... 

The World Health Organisation reports that four out of five COVID-19 cases are mild or asymptomatic.

But it's becoming clear that that doesn't mean there can't be further complications further down the track.

Virologists say it appears that even “mild” cases can be more complicated than many first thought.