'No way to know how long this might take': Developing a coronavirus vaccine
By Mark Webster in Geneva
The World Health Organization (WHO) has announced on Friday that it will seek to fast-track research into a vaccine for the novel coronavirus.
But how long does it take to develop a vaccine?
The WHO's Christian Lindmeier says it's a three-step process involving searching for the right components for a vaccine, conducting experiments (that could be human or animal trials), and finally producing the vaccine.
Looking for the right components, even though scientists know that the novel coronavirus belongs to the family of coronaviruses. is a stage that can't be accelerated and might take an indefinite amount of time.