AstraZeneca says its coronavirus vaccine is up to 90% effective

Name: AstraZeneca says its coronavirus vaccine is up to 90% effective
Uploaded: 2020-11-23T14:41:54Z
Duration: 3 min 24 s
Description: Operation Warp Speed director says vaccinations could begin in mid-December; Laura Ingle reports.

Operation Warp Speed director says vaccinations could begin in mid-December; Laura Ingle reports.