RCT | BCG vaccine did not protect health care workers against Covid-19

Randomized Trial of BCG Vaccine to Protect against Covid-19 in Health Care Workers – New England Journal of Medicine

Commentary: The BCG vaccine does not decrease the risk of COVID-19 in healthcare workers – News Medical

Commentary on Twitter

The bacille Calmette–Guérin vaccine may enhance generic antiviral immunity. In a randomized, controlled trial, health care workers received BCG vaccination or placebo. The BCG vaccine did not reduce Covid-19 risk. https://t.co/f2Uu4yhYZP

— NEJM (@NEJM) April 26, 2023