As the novel coronavirus, or Covid-19 as it has now been named, rages on, scientists around the world are racing against time to find a vaccine.
In the UK, one leading research team says it is making good progress. CGTN was given a unique opportunity to film inside the team's lab at Imperial College London.
But Robin Shattock, a professor of mucosal infection and immunity at Imperial, told CGTN the public shouldn't expect a coronavirus vaccine to hit the market until early next year, despite recent advances.