BCGとCOVID死亡率。因果関係か、はたまたチョコとノーベル賞的な相関関係か。 Correlation between universal BCG vaccination policy and reduced morbidity and mortality for COVID-19: an epidemiological study https://www.medrxiv.org/content/10.1101/2020.03.24.20042937v1…
Retweeted by あざらしサラダ
retweeted at 20:52:45