APOE and COVID-19: We previously reported that the ApoE e4e4 genotype was associated with COVID-19 test positivity (odds ratio [OR] = 2.31, 95% CI: 1.65–3.24, p = 1.19 × 10−6) (1) in the UK Biobank (UKB) cohort, during the epidemic peak in England, from March 16 to April 26, 2020 (2).