First real-world study reports effectiveness of BBV152 against symptomatic COVID-19 in India

Study includes more than 2,700 healthcare workers in Delhi, India, who were symptomatic and underwent RT-PCR testing for COVID-19. Findings suggest 50% vaccine effectiveness against symptomatic COVID-19 after two doses of BBV152. This vaccine effectiveness is lower than the vaccine efficacy suggested by Bharat Biotech’s phase 3 randomised control trial results. The authors note several…