Back in March, when the coronavirus pandemic was starting to sweep the globe, a vaccine couldn’t come quickly enough.
Now, with a locally developed vaccine showing promising results and several overseas candidates in phase 3 clinical trials — the last big hurdle before they could be approved by regulators and available to the public — some people are surprised at the speed at which they’ve been developed.
Previous vaccines have taken years to develop. Some diseases we’ve never found a vaccine for.
So how come scientists have been able to fast-track the process to get them ready so quickly? Will they be safe to use?
https://www.abc.net.au/news/health/2020-08-27/covid-19-coronavirus-vaccine-fast-tracked-how/12589324