ACE and COVID-19: The log-transformed prevalence (R2 = 0.410; p < 0.0001) and mortality (R2 = 0.457; p < 0.0001) for COVID-19 in 33 countries (on April 1, 2020) negatively correlated with ACE-1 D allele frequency, taking into account the start of the epidemic in each country [83].