It was this week, one year ago, that the world started becoming aware of the seriousness of a viral outbreak which would explode into a full-blown global pandemic.
Wuhan, in China, was the first place to go into lockdown.
Al Jazeera’s Investigative Unit has obtained videos recorded during the earliest days – which were smuggled out of the country.
Al Jazeera’s Phil Rees has this exclusive report.