Hydroxychloroquine for COVID may have caused 16,990 deaths. Systematic review of 44 cohort studies showed HCQ use in COVID was associated with 11% increase in mortality in 6 countries (US 12,739, Spain 1,895, Italy 1,822, Belgium 240, France 199,Turkey 95 https://t.co/vmhvSx4XLO https://t.co/KRxqiiSFC3