J&J COVID-19 Vaccine Shows Complete Protection Against Hospitalization, 28 Days Post-vaccination

(RTTNews) – Johnson & Johnson (JNJ) said its single-shot Janssen COVID-19 vaccine candidate was 66% effective overall in preventing moderate to severe COVID-19, 28 days after vaccination. The vaccine candidate was 85 percent effective in preventing severe disease across all regions studied, 28 days after vaccination in all adults 18 years and older. The vaccine candidate showed complete protection against COVID-related hospitalization and death, 28 days post-vaccination.
Topline efficacy and safety data from the phase 3 ENSEMBLE clinical trial showed that the investigational vaccine