But news of a potential vaccine has lifted hopes of a return to normal life in the not too distant future.

Second, scientists have already begun work on a potential vaccine.

Scientists administered the first dose of a potential vaccine to one of them, while the other was given a meningitis vaccine used for comparison in the trial.

Finally, and most importantly, there must arise a robust understanding of the immune response to potential vaccine candidates.

The government secured at least 90 million doses of potential vaccines from overseas companies in an attempt to spread its risk between different technologies.