4 ms·Nations with Mandatory TB Vaccines Show Fewer Coronavirus Deaths2 points by m_j_g 7y agom_j_g 7y agooriginal study : https://www.medrxiv.org/content/10.1101/2020.03.24.20042937v1 https://www.medrxiv.org/content/10.1101/2020.03.24.20042937v...