More specifically, the average visit one month later is 6.9 p.p. lower for female patients, 4.0 p.p. lower for older patients, and 7.7 p.p. lower for those who were ever prescribed insulin, excluding the impact of β5, or the temporal attrition of the doctor visits, than the average doctor visits before the emergence of COVID-19. This evidence concerns the gene INS and COVID-19.