You are using an older browser version. Please use a supported version for the best MSN experience.

What it could take to deliver a COVID-19 vaccine to the world

An approved vaccine for Covid-19 could be forthcoming, after the Pfizer/BioNTech vaccine candidate was reported to be more than 90% effective in preventing infection in volunteers. However, the next steps could be just as challenging.

More From KPAX Missoula, MT

image beaconimage beaconimage beacon