Q&A: Where are we in the Covid-19 vaccine race?

Here's what we know about the race to deliver vaccines to help end the coronavirus pandemic

Drugmakers and research centres around the world are working on Covid-19 vaccines.

Drugmakers and research centres around the world are working on Covid-19 vaccines, with large global trials involving tens of thousands of participants well underway.

The following is what we know about the race to deliver vaccines to help end the coronavirus pandemic that has claimed over 1.25 million lives worldwide: