Study: Johnson & Johnson COVID vaccine highly effective against Delta variant

According to a study of nearly 480,000 health care workers out of South Africa, the single-dose vaccine from Johnson and Johnson is up to 71% effective at protecting against severe illness and hospitalization from the Delta variant of COVID-19, and 96% effective at preventing death. Dr. Dyan Hes joined CBSN to discuss the latest data and its impact on vaccination efforts.

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