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Pfizer's early data shows COVID-19 vaccine is more than 90% effective

Name: Pfizer's early data shows COVID-19 vaccine is more than 90% effective
Uploaded: 2020-11-09T18:32:00-0500
Duration: 3 min 51 s
Description: Drugmaker Pfizer said trials show its vaccine is 90% effective in preventing coronavirus infections, and it could apply for emergency use authorization within weeks. Dr. Jon LaPook has details.

Drugmaker Pfizer said trials show its vaccine is 90% effective in preventing coronavirus infections, and it could apply for emergency use authorization within weeks. Dr. Jon LaPook has details.