Nachega JB, Maeurer M, Sam-Agudu NA, Chakaya J, et al. Bacille Calmette-Guerin (BCG) Vaccine and Potential Cross-Protection against
SARS-CoV-2 Infection - Assumptions, Knowns, Unknowns and Need for Developing an
Accurate Scientific Evidence Base. Int J Infect Dis 2021 Mar 29. pii: S1201-9712(21)00279.
PMID: 33794380