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Will we ever get a vaccine?
We don't yet have vaccines against any coronaviruses in humans, in part due to the challenges of developing vaccines for viruses that infect the upper respiratory tract.

There are a lot of vaccine experiments going on around the world at the moment trying to change that though, including some in human trials.

While this gives us the best possible chance of getting a successful vaccine, it also highlights that there isn't an obvious winner yet, said Professor Frazer.

"I think it would be fair to say even if we get something which looked quite encouraging in animals, the safety trials in humans will have to be fairly extensive before we would think about vaccinating a group of people who have not yet been exposed to the virus.

"They might hope to get protection but certainly wouldn't be keen to accept a possibility of really serious side effects if they actually caught the virus."