The science behind the search for a COVID-19 vaccine:
According to the World Health Organization, more than 120 COVID-19 vaccines have been proposed, of which at least six are in clinical trials.
But we need to remember that creating a vaccine is complex and difficult. Even when we have something that appears to work it takes time to establish that a vaccine is safe to use in humans and is actually effective in populations. And there can be many failures along the way.
Professor Jodie McVernon from the University of Melbourne and the Peter Doherty Institute for Infection and Immunity explains why developing a vaccine that can do a better job against a disease than our own immune systems is always incredibly challenging.
Read the full story in Pursuit’s special report – The science behind the search for a COVID-19 vaccine.
Video by Editor