Bacillus Calmette‐Guérin vaccination and socioeconomic variables vs COVID‐19 global features: Clearing up a controversial issue
Bacillus Calmette‐Guérin vaccination and socioeconomic variables vs COVID‐19 global features: Clearing up a controversial issue
To the best of our knowledge, this is the first study assessing at the global level the impact of BCG vaccination on COVID‐19 outcomes by integrating a wide set of social, economic, geographic, and demographic controls, thus attenuating if not eliminating altogether the effects of possible confounding factors affecting previous studies on BCG and COVID‐19.