Yitbarek K, Abraham G, Girma T, Tilahun T, et al. The effect of Bacillus Calmette-Guerin (BCG) vaccination in preventing sever
infectious respiratory diseases other than TB: Implications for the COVID-19
pandemic. Vaccine 2020 Aug 10. pii: S0264-410X(20)31049.
PMID: 32798142