Moderna, Pfizer and over 100 pharmaceutical firms and research institutes are racing towards developing the first coronavirus vaccine. Lin Suling speaks to the World Health Organization’s (WHO) Jacqueline Ying-Ru Lo and Duke-NUS Medical School's Professor Ooi Eng Eong who is involved in human trials in Singapore, to find out when and how a vaccine will move from labs to patients. They also get to the bottom of who should get priority and how that will be decided.

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