Mandated Bacillus Calmette-GuΓ©rin (#BCG) vaccination predicts flattened curves for the spread of #COVID-19

Bacillus Calmette-GuΓ©rin (BCG) vaccination may reduce the risk of a range of infectious diseases, and if so, it could protect against coronavirus disease 2019 (COVID-19). Here, we compared countries that mandated BCG vaccination until at least 2000 with countries that did not. To minimize any systematic effects of reporting biases, we analyzed the rate of …

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