BCG activation of trained immunity is associated with induction of cross reactive COVID-19 antibodies in a BCG vaccinated population.
N. T. Iqbal, K. Ahmed, T. Sattar…·R. Hussain
The study examines BCG-induced trained immunity in adults, finding elevated cytokine responses and cross-reactive SARS-CoV-2 antibodies, suggesting potential cross-protection against COVID-19.