The World Health Organization says only 3.4 per cent of the total number of people who contracted the virus have died from it.

But this figure is being disputed.

Some health experts believe the number would be much lower if more people were tested.

Al Jazeera spoke to a Wuhan resident who barely had any symptoms and did not even know he was infected until he was tested.

Al Jazeera’s Katrina Yu reports from Beijing.