Coronavirus vaccine could come before regulators this year

Clinical trials may have gathered enough safety and efficacy data by the end of the year, and there may be enough data to put the vaccine before regulators this year

Volunteer Melissa Harting receives an injection as part of Moderna's Covid-19 vaccine trial. Picture: Hans Pennink/AP

Researchers across the world are working hard to develop coronavirus vaccines and treatments.

This is some of the progress that has been made in the bid to combat Covid-19.